Physics, 24.09.2019 04:00 tadopson2003
Aball is dropped from rest from the top of a cliff that is 24 m high. from ground level, a second ball is thrown straight upward at the same instant that the first ball is dropped. the initial speed of the second ball is exactly the same as that with which the first ball eventually hits the ground. in the absence of air resistance, the motions of the balls are just the reverse of each other. determine how far below the top of the cliff the balls cross paths
Answers: 3
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J. j. thomson’s experiment disproved the theory that an atom
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You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.
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A15.75-g piece of iron absorbs 1086.75 joules of heat energy, and its temperature changes from 25°c to 175°c. what is the specific heat capacity of iron?
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Aball is dropped from rest from the top of a cliff that is 24 m high. from ground level, a second ba...
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