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When a book falls from a shelf to the ground without anyone pushing on it, no work is done on the book. true or false
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Erosion of the beach is normally a slow process. however, in certain situations, large chunks of shore may wash out to sea. what could cause this to happen?
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Arigid tank is divided into two equal parts by a partition. one part of the tank contains 3 kg of compressed liquid water at 400 kpa and 60°c while the other part is evacuated. the partition is now removed, and the water expands to fill the entire tank. determine the entropy change of water during this process, if the final pressure in the tank is 40 kpa. use steam tables.
Answers: 3
If the angular speed of a 1.1-m baseball bat is 2.0 rad/s, what is the tangential speed of the tip o...
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