A box of mass 7.7 - kg is accelerated from rest across a floor at a rate of 2.6 m/s2 for 18.5 s. Find the net work done on the box

Michael Glenn asked May 12, 2022

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Michael Glenn asked May 12, 2022

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13 votes

Answer:

Step-by-step explanation:

The net work will change the kinetic energy

W = ½mv² = ½m(at)² = ½ma²t²

W = ½(7.7)2.6²(18.5²) = 8907.3985 = 89 kJ

Vee answered May 18, 2022

by Vee

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