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A system increases in internal energy by 80 J and 50 J of work are done on it at the same time. What is the heat change of the system
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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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Ahanging spring stretches by 35.0 cm when an object of mass 450 g is hung on it at rest. in this situation, we define its position as x = 0. the object is pulled down an additional 18.0 cm and released from rest to oscillate without friction. what is its position x at a moment 84.4 s later? express your answer in cm.
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Awhite-blue star is hotter than a red star. select the best answer from the choices provided true or false
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Four 5-gram blocks of metal are sitting out in the sun and absorb the same amount of heat energy. use the following specific heat capacity data to determine which block will increase its temperature the most.
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A system increases in internal energy by 80 J and 50 J of work are done on it at the same time. What...
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