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The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force
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Astone is thrown into a pond. what happens to the amplitude of the resulting waves as they get farther from the point where the stone hit the water? explain.
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The coefficient of friction is a number that represents the resistance to sliding between two in contact with one another.
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You have an elastic that stretches 15cm when a 750g mass is hung from it. How far can u launch a 6g...
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