jamiebrain jamiebrain

30-04-2018
Chemistry

contestada

Machines are never 100 percent efficient because some work is used to overcome friction and inertia. True False

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drewbrown drewbrown

30-04-2018

False,
machines constantly mess up

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lele051 lele051

01-05-2018

This is wrong because machines can make mistakes that why we fix it

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