Posted by **Mariam** on Friday, August 31, 2012 at 1:39pm.

A car starts from rest and moves with constant acceleration during the 5th second of its motion,it covers a distance of 36 meters. what is the acceleration

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**Steve**, Friday, August 31, 2012 at 6:13pm
since s = 1/2 at^2, then during 4 <=t <=5 (the 5th second)

36 = 1/2 a 5^2 - 1/2 a 4^2 = 9/2 a

a = 8

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**Mariam**, Sunday, September 2, 2012 at 6:56am
Thnx a lot steve

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**Kalim**, Saturday, April 9, 2016 at 2:16pm
it means car have 8 m/s^2 constant acceleration.

Then what do you think steve if we put this acceleration to calculate exact time period which will be greater than 4 seconds?

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