Physics, 12.01.2021 21:10 Knelson566
Compare the speed of light in water to the speed of sound in water
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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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By what factor does the drag force on a car increase as it goes from 65 to 110 km/h?
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Compare the speed of light in water to the speed of sound in water...
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