A0.50-kg croquet ball is initially at rest on the grass. when the ball is struck by a mallet, the average force exerted on it is 270 n .?

Explanation:

Given

mass of ball

when it is struck  by a mallet then average force exerted is

suppose v is the velocity of ball after collision then

change in momentum of ball is given by

and impulse given by change in momentum of object when an force is applied for a period of time

if t is the time of contact

Now velocity after impact v=3\ m/s

firearm identification is the process of analyzing the bullets and cartridge cases left at a crime scene to determine if they came from a particular firearm. marks on the bullets and cartridges may be common to every firearm of that type. these are called class characteristics.

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