A22g bullet traveling 210 m/s penetrates a 2.0kg block of wood and emerges going 150m/s. if the block were stationary on a frictionless plane before the collision, what is the velocity of the block after the bullet passes through? what is the kinetic energy loss of the system?
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Physics, 21.06.2019 17:20
The specific heat of silver is 0.057 calories/gram°c. if 10.0 grams of silver were heated and the temperature of the sample changed by 20.0°c, how many calories of heat energy were absorbed by the sample?
Answers: 1
Physics, 22.06.2019 15:20
Abag of potato chips contains 2.00 l of air when it is sealed at sea level at a pressure of 1.00 atm and a temperature of 20.0 deg c. what will be the volume of the air in the bag if you take it with you, still sealed, to the mountains where the temperature is 7.00 deg c and atmospheric pressure is 70.0 kpa? assume that the bag behaves like a balloon and that the air in the bag is in thermal equilibrium with the outside air.
Answers: 3
A22g bullet traveling 210 m/s penetrates a 2.0kg block of wood and emerges going 150m/s. if the bloc...
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