Question

A body is movie with uniform velocity of 8ms inverse. When the body just crossed another body,the second one starts and moves with uniform acceleration of 4ms inverse. The time after which two body meet, will be.

(a)2s (b)4s (c)6s (d)8s

Answer 1

final velocity v=8 m/sec,

Time of journey t=4sec,

Acceleration =4ms

=8/4=2s