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When the temperature if the air is 25 degrees celsius, the velocity of a sound wave traveling through the air is approximately
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When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change? work power gravitational energy chemical energy
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At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.
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Physics, 22.06.2019 19:30
Which describes increasing the efficiency of energy resource
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When the temperature if the air is 25 degrees celsius, the velocity of a sound wave traveling throug...
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