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Physics, 22.06.2019 15:30
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, 23.06.2019 06:30
If you held a stone over the mouth of a well and then let it go , what would happen to the stone? explain your answer.
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Physics, 24.06.2019 00:30
Dr stones is investigating the parts of the brain that are activated when people watch frightening movies dr. stone is investigating using which perspective
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