A 13 g bullet traveling 230 ms penetrates a 20 kg block of
A 13 g bullet traveling 230 m/s penetrates a 2.0 kg block of wood and emerges going 170 m/s. If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges?
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an electronic flash attachment for a camera produces a flash by using the energy stored in a 860-mu f capacitor between
a 15 g bullet strikes and becomes embedded in a 110 kg block of wood placed on a horizontal surface just in front of
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a rocket-powered hockey puck has a thrust of 100 n and a total mass of 210 kg it is released from rest on a
a 13 g bullet traveling 230 ms penetrates a 20 kg block of wood and emerges going 170 ms if the block is stationary on
two evacuated bulbs of equal volume are connected by a tube of negligible volume one bulb is placed in a 200k
a car is normally capable of an acceleration of 3ms2 if it is towing a trailer with half as much mass asthe car itself
1600 mole of ammonia gas is placed in a 1600cm3 box at 250 degrees the box is then heated to 500k which causes the
1 a 100g granite cube slides down a frictionless 38 degreeincline at the bottom just after it exits onto a
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