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Q: Tom walks half a distance at 4mph and runs back the other half at 12 mph what is his average speed for the entire trip?
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How is instantaneous speed different from average?

The average speed is the speed that it takes to travel a certain distance in a certain time. Average speed is determined by dividing the distance traveled by the time taken to get there. Instantaneous speed is a certain speed at any given time.


Is speed that does not vary is called average speed?

No, speed can vary and one can still calculate the average speed of an entire trip. Average speed is equal to the change in distance divided by the change in time.


If you consider the total distance and total time for a trip are you calculating an instantaneous speed or constant speed average speed or non-uniform speed?

If only total distance and total time are considered, the speed calculated (total distance / total time) is the average speed of the entire trip.


How do you find the average speed of a cyclist throughout an entire race?

total distance divided by total time


What is the formula to find the average speed of a given distance and time?

Distance = time * average speed (velocity) Average speed = Distance/time


How would you find the average speed of a cyclicst throughout an entire race?

You divide the total distance by the total time.


What was Jack's average speed for the entire ride?

It was (the total distance he covered) divided by (the total time he spent riding).


How would you find the average speed of cyclist throughout a entire race?

Total distance divided by total time


How do they calculate average speed?

Average speed = (distance covered) divided by (time to cover the distance)


Formula for average speed?

average speed = distance / time


Average distance is 3 and average time is 2.40sec what is the average speed?

speed = distance/time = 3/2.4 = 1.25 distance units/second


What is the equation for average speed and acceleration?

Average speed = Distance travelled/time to travel the distance . Average acceleration = Change of speed/time for the change .