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physics

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a wieght of 10kg mass is raised through a hieght of .8 meter from 1.5 meter to 2.3meter against force of gravity.how much energy isrequired in cals.

  • physics -

    The work required equals the potential energy change,
    Work = M*g*(change in elevation)

    The change in elevation is 0.8 meters.

    With mass M in kg and g in m/s^2, the answer will be in Joules.

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