Question

the velocity of a particle moving with a uniform acceleration of 10 m/s after 5 d is 50m/s it velocity at t=4s

Answer 1

Explanation:

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