Physics, 19.03.2020 21:41 unknown9263
A spring with k = 15.3 N/cm is initially stretched 1.81 cm from its equilibrium length. a) How much more energy is needed to further stretch the spring to 5.79 cm beyond its equilibrium length?
Answers: 3
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The earth is constantly spinning on its axis, like you might spin a basketball on your finger. it is this spinning of the earth that causes
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Aforklift raises a 1,020 n crate 3.50 m up to a shelf. how much work is done by the forklift on the crate? the forklift does j of work on the crate.
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Explain earth's motion, using the terms "precession" and "rotation" in your answer.
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Atwo-stage air compressor operates at steady state, compression 10m^3/min of air from 100 kpa and 300k to 1200 kpa. an intercooler between the two stages cools the air to 300k at a constant pressure of 350 kpa. the compression processes are isentropic. a) calculate the power required to run the compressor, in kw b) compare the result to the power required for isentropic compression from the same inlet state to the same final pressure.
Answers: 1
A spring with k = 15.3 N/cm is initially stretched 1.81 cm from its equilibrium length. a) How much...
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