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?

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

explanation:

newton's third law, for every action there is an equal and opposite reaction.

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