Question

A bullet travelling with a velocity of 16 m/s pretends a tree and comes to rest in 0.4 m find the time taken during retraction

Answer 1

Answer:

Explanation:

v=0

u=16m/s

s=0.4m

we know

v^2-u^2=2as

0-16^2=2a(0.4)

a=-320m/s^2

Now, for time, we use,

v=u+at

0=16–320×t

-16=-320t

16/320 =t

t=0.05

Answer 2

Answer:

A bullet travelling with a velocity of 16 m/s pretends a tree and comes to rest in 0.4 m find the time taken during retraction