University Physics with Modern Physics with Mastering Physics (11th Edition)

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7.68: The force increases both the gravitational potential energy of the block and the potential energy of the spring. If the block is moved slowly, the kinetic energy can be
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Unformatted text preview: taken as constant, so the work done by the force is the increase in potential energy, 2 2 1 ) ( sin θ a k mga U + = ∆ ....
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