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March 29, 2017

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what power is expended by a weightlifter when lifting a 60kg barbell a vertical distance of 1.1m in a time interval of 2.0s

  • Science - ,

    Fb = m*g = 60kg * 9.8N/kg = 588 N. =
    Force of the barbell.

    Power = F*d/t = 588*1.1/2=323.4 Joules/s
    = 323.4 Watts.

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