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7 February, 07:14

As a box is pushed 30 meters across a horizontal floor by a constant horizontal force of 25 newtons, the kinetic energy of the box increases by 300 joules.

How much total internal energy is produced during this process?

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  1. 7 February, 07:17
    0
    1,050 Joules

    Explanation:

    Step 1: work done in moving the box 30 meters

    work done = force X distance

    = 25N X 30 = 750 Joules

    Step 2: calculate total internal energy

    Total internal energy = work done + kinetic energy

    = 750 Joules + 300 Joules

    = 1,050 Joules = 1.05 KJ
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