Physics, 26.06.2019 11:00, hailie2002
The form of energy that can move from place to place across the universe is (gravitational potential energy, radiant energy, thermal energy, vibrational energy). on earth, the main source of this energy is (lightning, the moon, the sun, wind).
Answers: 1
Physics, 22.06.2019 14:00, astigall4272
What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration
Answers: 1
Physics, 22.06.2019 19:30, isiahb123
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
The form of energy that can move from place to place across the universe is (gravitational potential...
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