A 0.01kg bullet is fired horizontally into a 1 kg block of wood, initially at rest...
A 0.01kg bullet is fired horizontally into a 1 kg block of wood, initially at rest on a frictionless surface. After the impact, the block of wood with the bullet inside recoils with a velocity of 2m/s.
1. Is momentum conserved in this process??
2.Is energy conserved in this process?
3. What was the velocity of the bullet before impact with the block of wood?
Homework Answers
Momentum is conserved in this process
As there is no heat losses incurred in the collision, Energy should be conserved
3) conservation of momentum
mu + 0 = (m + M)V
u = 1.01*2/0.01 = 202 m/s
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