Question

A car moving at 60 m/s comes to a stop in 9 s. What is its average deceleration, remember deceleration means slowing down?

Answer 1

u = 60m/s

v = 0m/s

t = 9s

Acceleration = v-u/t = 0-60/9 = -60/9 = -20/3 m/s²

So, Deceleration = 20/3 =6.66ms-²

Cheers!

Answer 2

Explanation:

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