Question
Asked Nov 8, 2019
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If a 50 kg object initially at rest is displaced 25 m by a constant net force of 600 N in the direction of motion of the object, then use the Work-Energy Theorem to find the final speed of the object.

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Expert Answer

Step 1

Work done is equal to change in kinetic energy of the body .

 

Work done = (Force)*(displacem...

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Initially the body is at rest , initial KE 0 KE2 KE1 15000 mv2 - 0 = 15000 _ 2 (50)v2 15000 Velocity (v) 24.49 m/s

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Work,Power and Energy

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