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Earn +20 ptsQ: How do you prove that the efficiency C arnot is greater than 1?
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Why can't the efficiency of a device or a process be greater than 100?
Efficiency cannot be greater than 100% because efficiency measures energy, and since energy is not made, only transfered (conservation of energy) then we cannot gain energy. Hence the energy out must be at most the energy in. Thus efficiency can be at most 100%
Why can't a pulley have a mechanical advantage greater than 1?
The mechanical advantage of a pulley can be greater than 1.The efficiency cannot but that is a different matter.
Are -14 and -23 negative integers prove your answer?
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Is it possible to design a machine that has an efficiency that is greater than 100 percent yes or no?
No. That would violate Conservation of Energy, so it follows that it isn't possible.
What statement do you need to prove is a rectangle?
The length of a rectangle is greater than its width and it has 2 pairs of parallel sides with 4 interior right angles.
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