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Is more energy required to melt one gram of ice at 0 or to boil one gram of water at 100?
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Suppose you use a machine that gives you a mechanical advantage of 2 to achieve an output force of 30newtons what must the input force be
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The energy released by a nuclear fusion reaction is produced when
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Aplayground slide is 8.80 ft long and makes an angle of 25.0° with the horizontal. a 63.0-kg child, initially at the top, slides all the way down to the bottom of the slide. (a) choosing the bottom of the slide as the reference configuration, what is the system's potential energy when the child is at the top and at the bottom of the slide? what is the change in potential energy as the child slides from the top to the bottom of the slide? (include the sign of the value in your answer.)
Answers: 3
Is more energy required to melt one gram of ice at 0 or to boil one gram of water at 100?...
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