1. what is heat? a) a measurement of how fast the molecules of an object are moving. b) the energy contained within an object because of its moving molecules. c) the amount of heat needed to raise the temperature of a substance 1°c 2. what is temperature? a) a measurement of how fast the molecules of an object are moving. b) the energy in an object due to the movement of its molecules c) the amount of heat needed to raise the temperature of a substance 1°c
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According to social exchange theory, altruistic behaviors benefit the individual who performs them.
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Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?
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Abookcase has a mass of 38 kg and the coefficient of friction between it and the floor is 0.82 what is the maximum force of friction between the bookcase and the floor a 372n b 305n c 412n d 449n
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1. what is heat? a) a measurement of how fast the molecules of an object are moving. b) the energy...
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