Answer to Question #52296 in Other Physics for john
same time. What is their difference in momentum? What is their difference in
2. A 12 g bullet is fired horizontally into a 96 g wooden block initially at rest on a
horizontal surface. After impact, the block slides 7.5 m before coming to rest. If
the coefficient of kinetic friction between block and surface is 0.60, what was
the speed of the bullet immediately before impact?
3. A ball bounces upward from the ground with a speed of 14 m/s and hits a wall
with a speed of 12 m/s. How high above the ground does the ball hit the wall?
Ignore air resistance.
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