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PE, + KE, = PE + KE Remember that the can include both and Zorch, an archenemy of Superman, decides to slow Earth'srotationto once per28.0

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PE, + KE, = PE + KE Remember that the can include both and Zorch, an archenemy of Superman, decides to slow Earth'srotationto once per28.0 h by exertingan opposing force at and parallel to the equator. Superman is not immediately concerned, because he knows Zorch can only exert a force of 4.00x107 N (a little greater than a Saturn V rocket's thrust). How long must Zorch push with this force to accomplish his goal? (This period gives Superman time to devote to other villains.)

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