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How much work does a mother do if she lifts each of her twin babies upward 1.0? Each baby weights 90N

Respuesta :

AL2006

  Work = (force) x (distance)

To lift each baby,            force = 90N,
                                   distance = 1.0 something, let's say  1.0 meter .

Work to lift each baby = (90N) x (1.0 meter) = 90 joules.

Work to lift both of them = 2 x 90 joules = 180 joules.

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