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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, 22.06.2019 16:00
The energy produced as a result of this flow of electrons from atom to atom is called
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Physics, 22.06.2019 20:40
Newtons view of arrangement of the universe. don't copy from anywhere.
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Physics, 22.06.2019 20:40
In addition to gravity, what is the other predominant force that affects the motion of a pendulum?
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Pls I need help——— Balloon A is (A. Negatively, B. Not, C. Positively) charged, and balloon C is (A....
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