average speed calculator physics p. This ultra calculator is special by allowing you to choose among a great variety of units (12 per category). Use your calculator to determine (8)3 to three significant figures in two ways: (a) Find 8 to four significant College Physics (Indicates a review question, which means Multiply that by 60 minutes per hour and then by 60 seconds per minute, leaving us with units of seconds in the denominator, and then multiply it through by 365 times 24 times 60 times 60. Speed and time are inversely proportional to each other. However, the object’s speed, v, is just s divided by t, so […] Speed Calculator is online 3 in 1 tool. We have simplified the entire process of calculating Average Speed. distance = speed x time. Problem Level: Easy. Physics. 4 ≈ 85 miles. Average This isn't always the case, however. average speed = total distance / total time The most common units of measurement for average speed are “kph” or kilometers per hour, “mph” or miles per hour, “m/s” or meters per second, and “ft/s” or feet per second. Enter the total mass of an object (m) and the change in velocity of that object to calculate its impulse. For example, the heart of a resting adult pumps blood at a rate of 5. miles/hour). Questions: 1. We will use the procedure described above to find the average speed. 0 times 10 to the 4 meters per second. v – = Δ x Δ t = x f − x i t f − t i between times Δt=t6−t1,Δt=t5−t2,andΔt=t4−t3 Δ t = t 6 − t 1, Δ t = t 5 − t 2, and Δ t = t 4 − t 3 are shown. 8 Kilometers per hour (km/h) This calculation will help you calculate your average speed when you have covered a certain distance over a certain time. The speed associated to a group of molecules in average. Note: Period of waveis the time it takes the wave to go through one complete cycle, = 1/f, where f is the wave frequency. The calculator to calculates average acceleration for entered values of initial, final velocity and time, Classical Physics Calculator. 24 m/s This is average speed. 71 mph for 1. Change in velocity is the difference between the initial velocity and the final velocity. Constant time: a hours at x mph and a hours at y mph. tf−t. Physics For Coefficient of fluctuation of speed calculator uses Coefficient of fluctuation of speed=(Maximum RPM Value-Minimum RPM Value)/Mean speed in r. e, average speed = total distance / total time. Speed (or rate, r) is a scalar quantity that measures the distance traveled (d) over the change in time (Δt), represented by the equation r = d/Δt. When speed increases, time decreases, and vice versa. with a given distance and travel time. If the car had spent equal times at 30 km and 60 km rather than equal distances at these speeds, its average speed would have been 45 km/h. Although speed and velocity are often words used interchangeably, in physics, they are distinct concepts. i. Calculate the time . Speed is how fast something is going at a particular moment. g. Calculate your average speed Recently: Someone calculated his or her average speed to 88. In the speed calculator, the default is miles per hour, but you can change the unit to suit your needs. Calculator for the orbital speed, the velocity of a celestial body (planet or moon) around another one (star or planet). If a car's average speed is 65 miles per hour, this means that the car's position will change (on the average) by 65 miles each hour. Default is average roads: Drivetrain Efficiency: Set to 1 if using hub based power data: CdA: Range from . 0 L/min. com Average Force Calculator. Where V is the velocity (m/s) f is the frequency (hz) w is the wavelength (m) Wave Speed Definition. average speed total distance time. Here is how the Angular Speed calculation can be explained with given input values -> 0. You can also select kilograms. On the average, your car was moving with a speed of 25 miles per hour. Suppose a sports car reaches a speed maximum speed of 250 km/h. Its average speed would be distance /(time interval) = (100 km)/[(50 km)/(30 km/h) + (50 km)/(60 km/h)] = 40 km/h. How to Calculate Average Speed? Average Speed calculator uses Average Speed=Total Distance Traveled/Total Time Taken to calculate the Average Speed, Average Speed is the average of the speed of a moving body for the overall distance it has covered. Try a smart search to find answers to similar questions. It is the distance covered, divided by time. In other words, (position at final point - position at initial point) / (time at final point - time at initial point). Average Speed Calculator using Distance and Time. First we should calculate distance traveled and displacement of the man to calculate speed and velocity. p. 1995. Here is the online physics calculator to find the average force exerted by an object. 99999999991/80 . Q. Tags: Question 7. Calculate the average velocity for this journey. Now the total distance travelled is 80 × 2 + 80 × 1 = 180 km and the total time has taken is 3 hours. Speed (v0) ~Mach 1centimetres per second (cm/s)feet per second (ft/s)inches per second (ips)kilometres per hour (km/h)kilometres per second (km/s)knotsmetres per second (m/s)miles per hour (mph)speed of light in vacuum (c) Speed (v1) The only data needed to calculate average or mean velocity is the change in position or total displacement, the total time, speed, and the direction of movement. 1 * 14 all over the total time. Average speed refers to the average rate of change of distance of an object, when its speed changes at different time intervals until it covers the defined distance. 3 * 15 + 2. Instantaneous speed is the speed at which an object is traveling at any particular instant. Average speed has a magnitude, and is a scalar quantity. A car travels up a hill at a constant speed of 40 km/h and returns down the hill at a constant speed of 60 km/h. Average speed is usually applied to vehicles like cars, trains, and airplanes. You can easily calculate average speed having time and distance (given in different units of lenght e. (b) Blood also flows through smaller blood vessels known as capillaries. An online physics calculator which helps to calculate the average speed based on the given time and distance values. Average Speed Calculator is a free online tool that displays the average speed when the time and distance are given. Average Speed - The average speed is calculated by the distance that an object traveled over a given interval of time. Returns miles per hour, km per hour, meters per second, etc. 01: Distance (km): Ironman = 180k Half = 90k: Speed (kph): Change this to solve for power: Power (watts): Change this to solve for As an object falls, its speed increases because it’s being pulled on by gravity. For example, if you drive a car for a distance of 70 miles in one hour, your average velocity equals 70 mph. The earth completes one revolution around the sun in one complete year. com, we have a calculator that will do all the work for you. All you have to do is provide the input values and hit calculate. *Response times vary by subject and question complexity. If we want to calculate the average and instantaneous velocity, the approach is the same as for average and instantaneous speed. The Average Speed of an object is a measure of the distance covered by that object in a set period of time. s Avg = ΔD/Δt . Example – 01: A train travels a distance of 100 m due east in 10 seconds. Suppose a sports car reaches a speed maximum speed of 250 km/h. To calculate the motion of everyday objects such as toy cars or tennis balls: See full list on study. In physics, you can calculate average speed by taking the total distance travelled and dividing it by the total time required to travel that distance. For example, if you drive to a store and return home in half an hour, and your car's odometer shows the total distance traveled was 6 km, then your average speed was 12 km/h. Average speed measures the average rate of speed over the extent of a trip. Average Speed Calculator Use this speed calculator to easily calculate the average speed of a vehicle: car, bus, train, bike, motorcycle, plane etc. Typical units are kilometers per hour (kph), miles per hour (mph), meters per second (m/s) and feet per second (ft/s). 2 m/s. Or you can use the average velocity calculator to perform the calculations Average speed is calculated by dividing the total distance that something has traveled by the total amount of time it took it to travel that distance. It’s the average speed. See full list on physicsclassroom. Change in velocity is the difference between the initial velocity and the final velocity. Method 2 Subtract the initial distance from final distance of each segment of speed. 4. Velocity is a vector quantity, and average velocity can be defined as the displacement divided by the time. During your trip, there may have been times that you were stopped and other times that your speedometer was reading 50 miles per hour. The root-mean-square (rms) speed of a molecule, or the square root of the average of the square of the speed, is The rms speed is not the average or the most likely speed of molecules, as we will see in Distribution of Molecular Speeds , but it provides an easily calculated estimate of the molecules’ speed that is related to their kinetic energy. In cases where constant acceleration is also involved, you can use shortcuts to find solutions much easier. Use the formula to find acceleration. If the instantaneous speed of a car remains the same over a period of time, then we say that the car is traveling with constant speed. Median response time is 34 minutes and may be longer for new subjects. Its average speed is 50 km per hour (50 km/h) distance = time/speed. To find out something’s speed (or velocity) after a certain amount of time, you just multiply the acceleration of gravity by the amount of time since it was let go of. Celestial bodies have large masses, which are often measured in Earth, Jupiter or Solar masses. In physics, however, they do not have the same meaning and are distinct concepts. The average velocities – v= Δx Δt = xf−x. 7 m/2 Car Hence acceleration of car > Acceleration of cyclist Coefficient of fluctuation of speed calculator uses Coefficient of fluctuation of speed=(Maximum RPM Value-Minimum RPM Value)/Mean speed in r. Physics calculator to solve for acceleration given initial and final velocity and time with constant Average Velocity. The average speed is certainly different from the top or maximum speed. Uniform Speed Definition: If an object covers equal distances in equal intervals of time, then its speed is called uniform speed. Average Acceleration Calculator. Use your average speed calculation from Part 1 and the time required to cover the "unknown distance" to calculate the "unknown distance. 14 km/h. But when you say in terms of velocity vector v=100i or 100kmph in the north direction, then we can talk about its acceleration. Types of Speed in Physics. We can find average speed by dividing total distance covered by the object by total time taken. Your teacher will measure the "unknown distance", so you can judge the accuracy of your calculation in number 2. Average speed= distance/time= circumference/time= 2*1. 314 kg*m 2 /s 2 *mol*K) T: Absolute (a) Calculate the average speed of the blood in the aorta if the flow rate is 5. To solve for speed or rate use the formula for speed, s = d/t which means speed equals distance divided by time. Average speed is calculated by the formula S = d/t, where S equals the average speed, d equals total distance and t equals total time. 4. In general, Vavg is the integral of V with respect to t from Vinitial to Vfinal divided by tfinal - tinitial. We can calculate the average speed by finding the total distance traveled divided by the elapsed time: The formula looks like this: average speed = total distance / total time Common units for speed are kilometers per hour (kph), miles per hour (mph), feet per second (ft/s), and meters per second (m/s). Note that a liter (L) is 1/1000 of a cubic meter or 1000 cubic centimeters (10 -3 m 3 or 10 3 cm 3 ). By using this website, you agree to our Cookie Policy. It is also referred as distance per time ratio. distance = rate x time. Average molecular speed = Square root (3 (ideal gas constant) * (Temperature)/m) The equation is: v= √ (3 R T/m) Where: v: molecular speed. Remember that the speed is not a vector quantity, so the direction is irrelevant. Speed Velocity And Acceleration Physical Science Middle School Writing Linear Equations Speed Velocity Acceleration . 66% average accuracy. After two seconds, you're falling 19. Non-uniform Definition or Variable Speed: If an object covers unequal distances in equal intervals of time and vice-versa then its speed is called non-uniform or variable speed. So he will not catch a bus moving at 5 m/s. The average velocity calculator uses the formula that shows the average velocity (v) equals the sum of the final velocity (v) and the initial velocity (u), divided by 2. Answer: 40 km/s. 1728. Average Speed Calculator; Wave Speed Formula. m to calculate the Coefficient of fluctuation of speed, The Coefficient of fluctuation of speed formula is defined as the ratio of the difference of the maximum value of the angular speed and minimum value of angular speed to the mean speed. But when you calculate the displacement of the car, the net displacement is 80 ×2 – 80 × 1 = 80 km towards east. Solution 1. average velocity: initial velocity: velocity: Q= V t Q = V t, where V is the volume and t is the elapsed time. The car that completed a 20 mile journey in 30 minutes had an average speed of 40 miles per hour. So 100 kilometers an hour, average speed is the total distance you're going to cover over a period of time. 0375 = 1079. 00 m from the center of rotation. For the special case of straight line motion in the x direction, the average velocity takes the form: Find an answer to your question 👍 “What formula is used to calculate average speed? ” in 📗 Physics if the answers seem to be not correct or there’s no answer. 81 m/s^2. Simply key in the initial and final velocity, and initial and final time, and get the answer with just a click of your mouse. The following formula is used to calculate the speed or velocity of a wave. Step 1: Identify the Equation of Interest You may recall that in everyday physics, the kinetic energy of an object in motion is equal to (0. The distance between Delhi and Agra is 200 km A train travels the first hundred kilometres at a speed of 50 km per hour how fast must the train travel the next hundred kilometres so as to average 70 km per hour for the whole journey In this why can't we use the formula Average speed = initial speed + final speed / 2. The calculator uses the standard formula from Newtonian physics to figure out how long before the falling object goes splat: The force of gravity, g = 9. Calculate the average speed of an object is it moves for 53 s according the path shown in the figure below. College Physics 2. If a car traveled 50 miles over the course of one hour then its average speed will be 50 mph. ttotal = t1 + t2 = d1 / v1 + d2 / v2 = dtotal / vavg. It is a scalar quantity where magnitude is vital and not the direction. Average speed is a rate, that is a quantity divided by time taken to get that quantity. After one second, you're falling 9. kkras_64965. Using the average speed formula, total distance and elapsed time, the average speed for the entire trip can be calculated as, Note that the average speed is not (50 + 65) / 2 = 57. Solve for the average speed on the second leg: v2 = d2 / (dtotal / vavg - d1 / v1) They give you the distances, the speed on the first leg, and Average speed is an interesting concept in mathematics and physics. When Δt→0 Δ t → 0 , the average velocity approaches the instantaneous velocity at t=t0 t = t 0 . The aorta has a radius of 10 mm. What is its speed and […] In physics, you can calculate power based on force and speed. Wavelength Frequency formula: - The initial spend of car vi= am/s * = 3 seconds The final spend of Vo = 22 m/s aveelevation of car = change in speed Timetaken V 2 - VI 22-4 18 3 Average acceleration = 6 m/s Solution 20- A cyclist accelerates from omls to 8 mis in 3serenely acceleration a = 8-0 - V2 - V 3 a = 2. For average velocity find the total distance traveled divided by the time needed to travel. Distance is a scalar; therefore ‘speed is also a scalar quantity. Average Speed The average speed of a body in a certain time interval is the distance covered by the body in that time interval divided by time. Okay we're going to talk about average speed, instantaneous speed is the distance that you're covering at a specific time. Speed = Distance Time Example: A car travels 50 km in one hour. The total mass is the mass of both bodies together. 14/2 hours= Pi km/h= 3. Then the average velocity will also be zero. The average speed is 20 m/s / 2 = 10 m/s, because the speed increases from 0 m/s to 20 m/s in a straight line -- in such a case, the average speed is the maximum speed divided by 2. A car moves a distance of 1000 m with an average speed of 28 m/s. 71 × 1. Wave Length: mdmcmmmYardFootInch. The concept of average velocity is particularly useful when dealing with non-uniform motion. Obviously, I could simply get out my calculator and type 100 / (stopwatch reading) and write down the number that I get. Unlike other calculators, you are NOT confined to inputting distance in feet, time in minutes, etc. " Put your results in the data table. Method 1 Subtract the initial distance from the final distance from the whole graph and divide by time. Example Calculate the speed and velocity of the man moving 45m to the north, and 36m to the south in 27 seconds. Average Speed Calculator. End up in same spot, your average velocity is ZERO. This is an online calculator to find the average acceleration with the given values. It doesn’t matter whether you want to calculate velocity with the distance covered, acceleration, and average velocity method; this velocity solver will help you in calculating velocity. miles, yards, meters, kilometers, inches etc. See full list on tutors. Here is how the Angular Speed calculation can be explained with given input values -> 0. If you know the value of this field's potential difference, you can calculate the speed (or velocity) of an electron moving under its influence. 8 meters per second per second. A car travels 30 miles/hr for 3 hours, calculate the distance it will travel. Try out the free online average speed calculator for yourself and see just how easy it is to calculate average speed! The velocity/speed of an moving object can be determined by using the following formula: where v is the velocity/speed, D is the distance and t is the time (duration). Speed is the rate at which an object’s position changes, measured in meters per second. Average Speed Definition. The mph calculator will come in handy whether you are driving your car, motorbike, want to know the speed of a train, or even curious about how to find average speed. If you walk in a circular area and come back to the same point where you began walking, the displacement will be zero. Average speed is the arithmetic mean, (x+y)/2. However, that does not seem right, for several reasons. Thus, Average Velocity v⃗ > represents the total Displacement divided by the total Time taken. The sum of the initial and final velocity is divided by 2 to find the average. 99999999991/80 . Total distance covered = 45m + 6m = 81m Speed = total distance/time of travel = 81m / 27s = 3m/s The average speed of your car could be determined as. The average velocity formula describes the relationship between the length of your route and the time it takes to travel. ) and you can get travel time having average speed and distance. Get the free "Final Velocity Calculator" widget for your website, blog, Wordpress, Blogger, or iGoogle. So average speed can be greater than average velocity, which is displacement divided by time. com As usual, here at www. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators The average speed of an object tells you the (average) rate at which it covers distance. Use the formula to find acceleration. Speed is a scalar quantity, while velocity is a vector. i. 33 mm/s. Or you can use the average velocity calculator to perform the calculations Velocity/Speed Calculator. The average speed is certainly different from the top or maximum speed. 180 seconds. Calculates average speed to ride a fixed distance in a given time. EasyCalculation Average Acceleration – EasyCalculation stays true to its name by providing an easy way to compute average acceleration. D = distance, meters (m) t = time,sec (s) Δ = short form for 'the change' ΔD = short form for 'the change in distance' Average speed is an interesting concept in mathematics and physics. 00 liters per minute (L/min). Therefore, the average velocity is 803 = 20 km per hour towards the east. Science > Physics > Motion in a Straight Line > Numerical Problems on Displacement, Average Speed, Velocity In this article, we shall study to solve problems to calculate displacement, Average Speed, and average Velocity. 8 m/s 2 Gravity accelerates you at 9. making this calculator quite versatile. Wave Frequency: hertzkilohertzmegahertzmillihertzmicrohertznanohertz. Part B After a period of 1 year, the planet Earth has already returned to its original position with respect to the Sun. 2 months ago. As a sanity check, you can see that if the car travels at an average speed of 60. Acceleration equation as a derivative if newton’s law of motion that is F= ma. com we are told a pig runs rightward 20 meters to eat a juicy Apple it then walks leftward 5 meters to eat a nut finally it walks leftward another 25 meters to eat another nut the total time taken by the pig was 300 seconds what was the pigs average velocity and average speed over this time and assume rightwards is positive and leftwards is negative and round your answer too significant in digit In everyday language, most people use the terms speed and velocity interchangeably. 8 m/s. Save. SURVEY. In our mph calculator the default unit is mph (kph for metric-units countries), but you can change between any of the common units. 67 m / 52 A Car which accelerates from o to 30 mis in Barconot (acceleration = 30-0 30 8 = 3. This calculator converts mass and speed into the impulse, which is another word for the change in momentum. You will get the answer for Average Speed without getting into the complex process of actually calculating anything. We can calculate Speed by using Formula of Speed in Physics: Here S is the distance covered by the object, V is its speed, and t is the time taken by it. Obviously actual stopping distances will vary considerably depending on condition of the road and car as well as the alertness of the driver Free Velocity Calculator - calculate velocity step by step This website uses cookies to ensure you get the best experience. A smart velocity calculator of physics uses different velocity equations to calculate velocity/speed of a moving object. Conservation of Momentum Calculator; Elastic Collision Calculator; Average Force Calculator Average speed is calculated by dividing distance by time (e. Average Speed Calculator - Physics Average speed is the amount of distance covered by an object for the given time period. R: Ideal gas constant. Average acceleration is the object's change in speed for a specific given time period. ) but you can also compute traveled distance having time and average speed (given in different units of speed mph, kmh, mps yds per second etc. The velocity/speed of an moving object can be determined by using the following formula: where v is the velocity/speed, Average acceleration equation that is acceleration = final velocity – initial velocity / time = change in velocity / time. That is not enough information to give an answer. When the rate of blood flow in the aorta is 5. To use this online calculator for Angular Speed , enter Angular Displacement (θ) and Total Time Taken (t) and hit the calculate button. 6 – Average Speed & Velocity of a Helicopter Blade A helicopter blade spins at exactly 100 revolutions per minute. It is a scalar quantity as it is defined only by the magnitude. Calculate the average speed for the round trip. Should yield 3. Enter the mass of the object, final velocity, initial velocity, the time period for which the force is exerted in this online average force calculator and submit to know the force in Newtons. The SI unit for flow rate is m 3 /s, but a number of other units for Q are in common use. Speed calculator helps you to calculate how quickly a moving object is travelling based on the distance travelled over a period of time. Wave speed, also known as wave velocity, is a term used in physics to describe the speed at which a wave is propagating. You can use the equivalent formula d = rt which means distance equals rate times time. Edit. Physics calculator to solve for velocity given initial, average velocity: Δx = distance displacement: References - Books: Tipler, Paul A. (8. 6 m/s Average speed is the total distance divided by the total time for the trip. Average Speed and is denoted by ω symbol. And then, that is the denominator of this fraction and that works out to 3. g. One major difference is that speed has no direction; that is, speed is a scalar. The acceleration of gravity near the earth is g = -9. The speed distance calculator is an online multiservice tool that can be used to calculate: Average velocity (va) Time (t) Distance (Displacement Δx) In the next sections, we will discuss how to find distance without using the distance formula physics calculator, how to calculate average speed without using average speed calculator, what is distance, and the formula of distance with some examples. Use distance traveled divided by time to calculate average speed. Because work equals force times distance, you can write the equation for power the following way, assuming that the force acts along the direction of travel: where s is the distance traveled. 5 mph! To use this online calculator for Angular Speed , enter Angular Displacement (θ) and Total Time Taken (t) and hit the calculate button. SI unit of speed is meter per second, other units like kilometer per hour, miles per hour, feet per second are also used. The calculator below estimates the stopping distance for a well maintained car with an alert driver on a dry road. Speed is dependent on two quantities, distance and time. It is common to use the term speed rather than average speed. It may be that the car traveled at instantaneous speeds of 40 mph and 60 mph during that time, but the average speed is 50 mph. Its tip is 5. 5*3. Therefore, speed is distance divided by time. Formula: Speed = Distance ÷ Time The average speed of the earth is equal to the distance traveled divided by the time. distance = speed/distance. In an mph calculator, the default unit of measurement is mph. m to calculate the Coefficient of fluctuation of speed, The Coefficient of fluctuation of speed formula is defined as the ratio of the difference of the maximum value of the angular speed and minimum value of angular speed to the mean speed. Free fall / falling speed equations. Calculate Orbital Speed. The formula is s=a+b2{\displaystyle s={\frac {a+b}{2}}}, where s{\displaystyle s} equals the average speed, a{\displaystyle a} equals the speed of the first half of time, and b{\displaystyle b} equals the speed of the second half of time. Projectile motion (horizontal trajectory) calculator finds the initial and final velocity, initial and final height, maximum height, horizontal distance, flight duration, time to reach maximum height, and launch and landing angle parameters of projectile motion in physics. Hence, the distance travel by the earth in one year is the circumference of the circular path covered by the earth around the sun. 5)mv 2 , where m equals mass and v equals velocity. The man’s average speed is 25 ÷ 6 = 4. This is an online calculator to find the average acceleration with the given values. Wave Speed: m/sm/minkm/hryard/sft/smile/hr. i. [6] Average speed calculated at the end of a journey can tell you that: The athlete who completed the 800 metre race in 160 second had an average speed of 5 metre / second. Speed, distance and time are always inter-related to each other. Therefore, the average speed is 1803 = 80 km per hour. The average speed is the ratio of the total distance traveled by a body and the time taken to travel such distance. The result obtained at (5) represents the average speed of a moving object in two dimensions. 0 L/min, the speed of blood in the capillaries is about 0. For a velocity vs time graph, you can simply do (Final velocity - initial velocity) / 2. Speed is measured as distance moved over time. BYJU’S online average speed calculator tool makes the calculation faster, and it displays the average speed of the object in a fraction of seconds. In cases where constant acceleration is also involved, you can use shortcuts to find solutions much easier. V = f * w. com The calculator which calculates the average speed based for entered values of time and distance. 4 for large rider road positions: Gradient: Rise over run, 1% grade = . 4 hours, it covers a distance of 60. 19 for small riders in TT position to . Speed Velocity And Acceleration Physical Science Middle School Writing Linear Equations Speed Velocity Acceleration . It is valid in ideal gas, where the molecules do not interact with each other. Average speed = Total Distance Travelled / Time Taken to Travel Distance Average speed = [2L] / [ (L/ 40) + (L /60) ] Now get a common denominator for the bottom part of the fraction: Average speed = [2L] / [ (60L + 40L / 60*40)] Now simplify: Average speed = [2L] / [ (100L / 2400)] The average speed of an object is defined as the distance traveled divided by the time elapsed. 0375 = 1079. speed = distance/time. Velocity calculations used in calculator: See full list on gigacalculator. So if a particle covers a certain distance s in a time to, then the average speed of the body is: This video shows how to calculate the average speed for two different speeds occuring across two different time periods. Example 1. On a position vs time graph, the average velocity is found by dividing the total displacement by the total time. SI unit of speed is meters per second. When you mention that the speed of a car is 100kmph, you do not know in which direction it is moving. The Average Speed Calculator will instantly calculate the average speed for anything or anyone if you just enter in the total time it takes to reach the destination and the number of miles traveled. Find more Physics widgets in Wolfram|Alpha. To find average speed, you need to find the weighted average of speed through the interval of travel. The only data needed to calculate average or mean velocity is the change in position or total displacement, the total time, speed, and the direction of movement. Average Speed calculator provides for the same. On rearrangement we will get a = F/m where’s F is representing the force and m is representing the mass of the object. average speed calculator physics