Physics, 11.07.2019 05:30 shikiaanthony
Avertically mounted spring (k = 800 n/m) is compressed by 17.0 cm relative to its unstrained length. a mass (m = 0.32 kg) is placed at rest against the spring. when the spring is released, the mass is launched vertically in the air. how high from release point the mass can reach?
Answers: 2
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Several mountains together form a mountain . a few of these combined form a mountain system. several systems combined form a mountain , which can stretch thousands of miles in length.
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J. j. thomson’s experiment disproved the theory that an atom
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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
Avertically mounted spring (k = 800 n/m) is compressed by 17.0 cm relative to its unstrained length....
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