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tankster tankster
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7 years ago
A modern version of Joule's experiment has you turn a crank attached to an 85.0 g aluminum cylinder. A belt exerts a frictional torque on the cylinder of 1.50 Nm. The specific heat of aluminum is 900 J/(kg•K). How many turns of the crank are necessary to raise the temperature of the aluminum by 40 C°?
A) 325
B) 650
C) 900
D) 975
E) 1300
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Physics

Physics


Edition: 4th
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Raj.SRaj.S
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tankster Author
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Just got PERFECT on my quiz
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You make an excellent tutor!
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