A 5-kg box is pushed with a horizontal force of 100 N across a floor. What power output is neede d to push the box a distance of 60 meters i

A 5-kg box is pushed with a horizontal force of 100 N across a floor. What power output is neede d to push the box a distance of 60 meters in 2 minutes? (A) 10 W (B) 25 W (C) 30 W (D) 50 W​

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  1. Answer:

    (D) 50 W​

    Explanation:

    Given the following data;

    Mass = 5 kg

    Force = 100 N

    Distance = 60 N

    Time = 2 minutes

    Conversion:

    1 minute = 60 seconds

    2 minutes = 60 * 2 = 120 seconds

    To find the power output required to push the box;

    First of all, we would determine the work done in pushing the box.

    Work done = force * distance

    Workdone = 100 * 60

    Workdone = 6000 Joules

    Next, we find power output;

    Power = workdone/time

    Power = 6000/120

    Power = 50 Watts

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