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Physics, 21.06.2019 23:00
Will you chech and finish these for me, because i am stumped with them.
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Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.
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Suppose you do work on an object from rest to a certain speed v. why does it take four times the amo...
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