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physics

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A hiker climbs a hill 300m high.If she weighs 50kg,calculate the work she does in lifting her body to the top of the hill

  • physics -

    F = mg = 50kg * 9.8N/kg = 490N.

    W = Fd = 490N * 300m = 147,000 Joules.

  • physics -

    post it.

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