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What properties of a moving object are used in determining the object's energy of motion
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An ionic compound can conduct electricity when a it is dissolved in water b its crystals are ground into powder c it is in solid form d it is heated to just below its melting point
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At 20βc, 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 12Γ10β6 kβ1 and23Γ10β6 kβ1 respectively.
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If a neighbor pushes a lawnmower four times as far as you do but exerts
only half the force, which...
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