A cup of water at Temperature of 21 degrees Celsius with .5 [kg] of water is...

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A cup of water at Temperature of 21 degrees Celsius with .5 [kg] of water is sliding on a table. It starts sliding at 20 [m/s] and slows to a halt. Assuming that the cup itself is (almost) massless, and that all the energy has gone into heat, what is the final temperature of the water?

science physics

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