30-05-2019
Physics

contestada

Which of the following statements is true?

Friction moves in the same direction as motion

Some machines are 100 percent efficient.

Power measures the speed at which work is done.

Windmills change circular motion into straight motion.

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Anthonyrmb128 Anthonyrmb128

30-05-2019

Answer:

Power measures the speed at which work is done.⊂⊃⊂∩⊃⊂⊂

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