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Posted by on Sunday, January 29, 2012 at 12:44pm.

A person lifts a 199 Newton stack of books 12 meters high in 7 seconds. How much power is used to lift the books?

  • physics - , Monday, January 30, 2012 at 11:04pm

    P = F*d/t = 199*12/7 = 341 Joules/s =
    341 Watts.

  • physics - , Wednesday, June 6, 2012 at 7:36pm

    P=W/t

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