Asked by kin
a bullet of mass 0.06kg is fired into a block of wood. if the bullet is moving at 330 m/s as it enters the block and takes 0.15m to stop, find:
A) the avg force required to stop the mullet
b) the impulse exerted by the wood on the bullet
c)change in momentum of bullet
A) the avg force required to stop the mullet
b) the impulse exerted by the wood on the bullet
c)change in momentum of bullet
Answers
Answered by
drwls
1. (avg. force)*(stopping distance) = (initial kinetic energy) = (1/2) M V^2
Solve for the initial force.
The statement says that the work done frictionally heating the wood equals the in initial kinetic energy.
2. Impulse = -(intial momentum) = -M V
3. Change in momentum = -(Initial momentum) = -M V
They may not care about the minus signs in the last two.
Solve for the initial force.
The statement says that the work done frictionally heating the wood equals the in initial kinetic energy.
2. Impulse = -(intial momentum) = -M V
3. Change in momentum = -(Initial momentum) = -M V
They may not care about the minus signs in the last two.
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