Physics, 19.12.2019 00:31 grantjaylynn
Acopper block is removed from a 310c oven and dropped into 1.10kg of water at 23.0c. the water quickly reaches 33.0c and then remains at that temperature.
what is the mass of the copper block? the specific heats of copper and water are 385 j/(kg? k) and 4190 j/(kg? k) respectively. express your answer to three significant figures and include the appropriate units.
Answers: 3
Physics, 22.06.2019 10:30
Astone weighing 1.5 kilograms is resting on a rock at a height of 20 meters above the ground. the stone rolls down 10 meters and comes to rest on a patch of moss. the gravitational potential energy of the stone on the moss is joules.
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Physics, 22.06.2019 12:10
Aspring has a natural length of 8 m. if a 12-n force is required to keep it stretched to a length of 10 m, how much work w is required to stretch it from 8 m to 16 m? (round your answer to two decimal places.)
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Which component of the earth’s atmosphere is decreased due to photosynthesis?
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Acopper block is removed from a 310c oven and dropped into 1.10kg of water at 23.0c. the water quick...
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