Physics, 14.10.2019 20:00 johhnyappleseed2006
Acar traveled a distance of 30 km in 20 minutes (1/3 hours) what was the speed of the car ?
Answers: 2
Physics, 22.06.2019 15:30
This is the number of complete movements of a wave per second.
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As the distance from a magnet increases, what happens to the magnet force?
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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
Acar traveled a distance of 30 km in 20 minutes (1/3 hours) what was the speed of the car ?...
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