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Q. A 155 g copper bowl contains 245 g of water, both at 20°C. A very hot 300 g copper cylinder is dropped into the water, causing the water to boil, with 5.00 g being converted to steam. The final temperature of the system is 100°C. Neglect energy transfers with the environment.

Q. A weight of 5.00 * 10^3 is suspended in equilibrium by two cables. Cable 1 applies a horizontal force to the right of the object and has a tension, Ft1, Cable 2 applies a force upward and to the left at an angle of 37 degrees to the negative x-axis and has a tension, Ft2. What is the tension T1?

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