A body is moving with uniform acceleration and at a certain instant of – InterviewSolution

1.

A body is moving with uniform acceleration and at a certain instant of time it's velocity is 10 m/s After 5 seconds ,the velocity becomes 20 m/s then it's velocity 3 seconds earlier is ...........A )3m/sB )4m/sC )8m/sD )6m/s

Answer»

Given, u = 10m/s a = 2m/s^2 t = 4sec Acceleration, a = V - UT 2 = v - 104 v = 10 + 8 = 18m/s The correct option is D. .

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