Question

A bus is retarded by applying brakes at the rate of 3ms-2

. It is finally stopped in 10s. Calculate its initial

velocity.​

Answer 1

Explanation:

We know that v = u +at

V =o , a = -3 m/s^2

u = 3 x 10 = 30 m/s

Answer 2

Explanation:

final velocity=0,

acceleration=3ms-

time=10 s

v=u+at

v=0+3*10

v=0+30

v=30m/s

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