A 0.22 rifle bullet, travelling at 350m/s, strikes a block of soft wood, which it penetrates to a depth of 0.130m

penetrates-depth

#1

A 0.22 rifle bullet, travelling at 350m/s, strikes a block of soft wood, which it penetrates to a depth of 0.130m. The mass of the bullet is 1.80g. Assume a constant retarding force.
a) How mb) How much force does the wood exert on the bullet?
uch time is required for the bullet to stop?

Answer:

image