Question

A car starts from rest and accelerates uniformly over a time of 10 seconds for a distance of 215 m. What is the acceleration of the car?

Answer 1

The answer is 4.3m/s^2

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Answer 2

given that start from rest i.e., u=0

s=ut + 1/2 a t^2

215= 0 + 1/2 × a × 100

on cross multiplication,

a = 4.3 m/s^2