If a car can exert 2000N of force to move a trailer 50 m is 20 seconds how much power did the car use?

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1. Answer:

   5000 W

   Explanation:

   Applying,

   P = W/t…………….. Equation 1

   Where P = Power, W = work done by the car, t = time.

   But,

   W = F×d …………. Equation 2

   Where F = Force, d = distance

   Substitute equation 2 into equation 1

   P = (F×d)/t………….. Equation 3

   From the question,

   Given: F = 2000 N, d = 50 m, t = 20 seconds.

   Substitute these values into equation 3

   P = (2000×50)/20

   P = 5000 W

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