Question

A car is travelling at 54km/h.If breaks are applied so as to produce uniform retardation of 5m/s square. Calculate the time taken by it to stop.

Answer 1

 speed = 54 x 5/ 18 = 15 m/s 

v-u= at 

t= 15/ 5 

t= 3 sec 

Answer 2

Explanation:

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