A0.026 kg bullet is fired straight up at a falling wooden block that has a mass of 5.0 kg. the bullet has a speed of 750 m/s when it strikes the block. the block originally was dropped from rest from the top of a building and had been falling for a time t when the collision with the bullet occured. as a result of the collision, the block (with the bullet in it) reverses direction, rises, and comes to a momentary halt at the top of the building. find the time t.
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Physics, 21.06.2019 23:30
A175 g lump of molten lead at its melting point (327 c) is placed into 55.0 g of water at 20.0 c. the specific heat of lead is 130.j/kg c and the hf of lead is 20,400 j/kg. when the lead and the water have reached equilibrium, what is the temperature of the mixture?
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What is a subatomic particle with a negative charge and very little mass?
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If there's a small amount of friction between two surfaces, the result could be select all that applya. no movement b. heatc. a little bit of movementd. sliding around
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A0.026 kg bullet is fired straight up at a falling wooden block that has a mass of 5.0 kg. the bulle...
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