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How many watts of power do you expend when you exert a force of 0.50N that moves a book 2.1m in a time interval of 1.1s ?
Express your answer to two significant figures and include the appropriate units.

  • Physics - ,

    P = F*d/t = 0.5 * 2.1/1.1 = 0.955 J/s =
    0.955 Watts.

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