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12 November, 01:40

Farmer Tamar airlifted her sheep from 1000 meters to 1,200 meters

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  1. 12 November, 04:09
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    Question

    What was the change in potential energy of the sheep?

    Answer:

    1962 (m) J

    Explanation:

    Potential energy is given by

    PE=mgh

    Change in potential energy is given by

    ∆PE=mg (h2-h1)

    Where ∆PE is the change in potential eneegy, g is acceleration due to gravity, h2 is final height and h1 is the initial height.

    Substituting 9.81 m/s² for g, 1200 m for h2 and 1000 m for h1 then

    ∆PE=m*9.81 (1200-1000) = 1962m Joules

    Since we are not given the mass of rhe sheep, the answer will be 1962 (m) Joules
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