estefaniavn3 estefaniavn3

07-09-2017
Physics

contestada

If you could use an elevator or the stairs to lift a box to the tenth floor,which has greater power?why?

Respuesta :

07-09-2017

Stairs don't HAVE any power. When you use the stairs, YOU have to provide all the power. I would use the elevator, because the machinery that runs it produces the power and I only have to stand there.

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