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A120g copper bowl contains185g of water, both at 20.0°C. A very hot 300 g copper cylinder is dropped into the water, causing the water to boil, with5.80g being converted to steam. The final temperature of the system is 100°C. Neglect energy transfers with the environment.
(a) How much energy (in calories) is transferred to the water as heat?
kcal
(b) How much energy (in calories) is transferred to the bowl?
(c) What is the original temperature of the cylinder?
°C
A barge of mass 5x 10^4 kg is pulled along the Erie Canal by two mules, walking along towpaths parallel to the canal on either side of it. The ropes harnessed to the mules make angles of 45° to the canal.
Sisyphus was a character in Greek mythology that was doomed in Hades to push a boulder to the top of a steep mountain. When he reached the top, the boulder would slide back down the mountain and he would have to start all over again.
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