Question

A bullet is fired at a target. Its velocity is
decreased by 50% after penetrating 21
cm into the target. Find the additional
thickness (in cm) that the bullet will
penetrate before coming to rest.

Answer 1

Answer:

21cm

Explanation:

if the velocity of the bullet has decreased by 50% after penetrating 21cm .

for the balance 50% another 21m of of target material is eequired