A 1-oz bullet is fired into an 8-lb wooden block and becomes embedded in it. Kno

Question

A 1-oz bullet is fired into an 8-lb wooden block and becomes embedded in it. Knowing that the block and bullet then move up the smooth incline with a velocity of 10.0 ft/sec (ignore the friction force between the wooden block and incline), determine (a) the magnitude of the initial velocity of the bullet (b) the magnitude of the impulse of the force exerted by the bullet on the block

A 1-oz bullet is fired into an 8-lb wooden block and becomes embedded in it. Knowing that the block and bullet then move up the smooth incline with a velocity of 10.0 ft/sec (ignore the friction force between the wooden block and incline), determine (a) the magnitude of the initial velocity of the bullet (b) the magnitude of the impulse of the force exerted by the bullet on the block

Explanation / Answer

0.0625*v=8*10 v=80/0.0625 =1280ft/s impulse=8*9.8*sin(theta) =

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