Question

A bullet has mass of 0.02 kg and is moving with speed of 10 m/s. It penetrates 10 cm of given target before coming to rest. If the same target is only 6cm thick, what will be the speed and kinetic energy of the bullet, when it comes out to the target?​

Answer 1

Explanation:

velocity when penetration was 6cm is 6.2m/s

and k.e. is 4×10^-5 Joule

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