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How much work is required to raise an 18 kg box from the ground to a rooftop that is 12 m high?
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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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Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called
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Aperson walking 1 mile everyday for exercise, leaving her front porch at 9: 00 am and returning to her front porch at 9: 25 am. what is the total displacement of her daily walk? a) 1 mileb) 0c) 25 minutes d) none of the above
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How much work is required to raise an 18 kg box from the ground to a rooftop that is 12 m high?...
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