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Physics, 21.06.2019 23:10, itzlianne
A248-g piece of copper is dropped into 390 ml of water at 22.6 °c. the final temperature of the water was measured as 39.9 °c. calculate the initial temperature of the piece of copper. assume that all heat transfer occurs between the copper and the water. remember, the density of water is 1.0 g/m
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If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?
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Diverging mirrors and lenses always produce images
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A spherical shell has inner radius 1.5 m, outer radius 2.5 m, and mass 850 kg, distributed uniformly...
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