Question

A body having uniform acceleration of 10 ms-2 has a velocity of 100 m s-1 . In what time, the velocity will be doubled - A)8s , B)10s , C)12s , D)14s​

Answer 1

Answer:

10 sec

Explanation:

u=100m/s^2

v=2u

a=10m/s^2

v=u+at

2u=u+at

2u-u=10t

u=10t

t=100/ 10 s

t=10s