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A 15 gr bullet traveling at 500 m/s strikes the 5 kg wooden block and exists...

A 15 gr bullet traveling at 500 m/s strikes the 5 kg wooden block and exists the other side at 15 m/s as shown. The wooden block is initially at rest. Determine:

a) The velocity of the wooden block just after the bullet exit it

b) the average normal force on the wooden block if the bullets passes through it in 1.0 ms (millisecond)

c) The time the block slides before it stops

The coefficient of kinetic friction between the block and the horizontal surface is U=0.1

engineering   Mechanical-Engineering   
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