A car starts from rest and reaches 20 m/s in 10 seconds. the average acceleration of the car in m/s2 is:

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Cynthia Patel

Physics

26 July, 04:11

A car starts from rest and reaches 20 m/s in 10 seconds. the average acceleration of the car in m/s2 is:

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Huynh · Answer 1

In order to find acceleration, you must do change in speed divided by the time taken. In this case, the car starts from rest which is 0m/s and reaches 20m/s which is a difference of 20m/s in speed. The time taken was 10 seconds so you do 20m/s : 10 = 2m/s²