Question

a=t+3.
Find velocity at t = 5 sec if body is at rest at t=o.

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Answer 1

Answer:

v

i

=10 m/s and v

f

=20 m/s

Acceleration of the body =

5

20−10

m/s

2

a=2 m/s

2

Velocity of the body at t=−3 sec

v=u+at

v=10−2×3

v=4 m/s