Physics, 26.11.2021 02:30 meganenaranjo
a hollow sphere is filled with water. it is hung by a long thread. as the water flows out of a hole at its bottom, the period of oscillation will
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What type of nuclear decay causes the atomic number of an element to increase by 1?
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An electric clothes dryer has a resistance of 8 ohms. it draws 30 a of current. what is the voltage, in volts, of the wall outlet that it is plugged into?
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Physics, 22.06.2019 19:30
A47.2 g block of copper whose temperature is 480 k is placed in an insulating box with a 91.8 g block of lead whose temperature is 200 k. (a) what is the equilibrium temperature of the two-block system? (b) what is the change in the internal energy of the two-block system between the initial state and the equilibrium state? (c) what is the change in the entropy of the two-block system? the heat capacities of copper and lead are 386 j/kg·k and 128 j/kg·k, respectively.
Answers: 1
a hollow sphere is filled with water. it is hung by a long thread. as the water flows out of a hole...
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