Calculate the work required to accelerate a mass or 5 kg from a speed of 15 m/s to a speed of 25 m/s

W = 1000 J

Explanation:

If the acceleration is horizontal and friction is neglected, the work done changes the kinetic energy.

W = ½mv² - ½mu² = ½m(v² - u²)

W = ½(5)(25² - 15²) = 1000 J

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