A 790-n cliff diver in alcapulco drops from a cliff 20.60 m, Ask an Expert

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Q. A 40.00 g block of ice is cooled to -78°C and is after that added to 560 g of water in an 80-g copper calorimeter at a temperature of 25°C. Determine the final temperature of the system consisting of the ice, water, and calorimeter.

Q. A 790-N cliff diver in Alcapulco drops from a cliff 20.60 m above the water's surface. If friction is disregarded, what is the cliff diver's speed just before striking the water?

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