Question

A body starts from rest and picks up a velocity of 15 m/s in 3sec .Find average acceleration in km/h2

Answer 1

Explanation:

initial velocity ( u) = 0m/sec

final. velocity ( v ) = 15 m/sec

time ( t) = 3 sec

acceleration =v- u / t

= 15 - 0/3

= 15 /3

= 5 m/sec ²

= 18 km/ hr

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