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2 February, 17:41

A 3.8 kg object is lifted 12 meters. approximately how much work is performed during the lifting?

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Answers (2)
  1. 2 February, 19:27
    0
    W = mgh.

    m is mass in kg,

    g is acceleration due to gravity = 9.81 m/s²,

    h is height = 12 m

    = 3.8 * 9.81 * 12

    = 447.336 Joules
  2. 2 February, 20:54
    0
    Work done is equivalent to potential energy.

    W = mgh. m is mass in kg, g is acceleration due to gravity = 9.81 m/s², h is height = 12 m

    = 3.8 * 9.81 * 12

    = 447.336 Joules
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