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Introductory Physics Homework Help
Physics Problem Conservation of Energy
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[QUOTE="haruspex, post: 4543359, member: 334404"] Part c is a wrong question. This comes up regularly. You cannot compute the "average force" from the energy and the distance. Yes, you can compute an average over distance, but consider this: average acceleration is defined as an average over time, Δv/Δt. So the reasonable definition of average force is also over time; for constant mass it's mΔv/Δt. That is not in general the same as an average ov distance. [/QUOTE]
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Introductory Physics Homework Help
Physics Problem Conservation of Energy
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