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Are formed where bumps from two surfaces come into contact ?
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5400 j of energy are given off when a 50 g of aluminum pan changes temperature. does the temperature of the pan increase or decrease and by how much?
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Avery light ping-pong ball moving east at a speed of 4 m/s collides with a very heavy stationary bowling ball. the ping-pong ball bounces back to the west, and the bowling ball moves very slowly to the east. which object experiences the greater magnitude impulse during the collision?
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If you rub a balloon on a sweater, which will have more electrons?...
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