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Social Studies, 19.05.2021 16:30 kaylaamberd

1. You use an electric motor that requires 850 J of energy to lift the mass.

2. You pull the rope of a pulley, which is
attached to the mass, a distance of 6.0 m
with a force of ~ 50 N.

3. You push the mass 10m up a ramp with a
force of 140 N.

Help me with any of these questions please it will help alot.

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1. You use an electric motor that requires 850 J of energy to lift the mass.

2. You pul...

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