A force of magnitude 25 N acting on a body of mass 2 kg increases its kinetic energy from 100 J to 200 J. The displacement of the body during this interval is
___ m.

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Solution

According to the work-energy theorem, work done by the force would be equal to the change in kinetic energy of the body. The change in kinetic energy is equal to 100 J and we know that:

Work done = Force x displacement.

Therefore, 100 = 25 x displacement. So, from here, we have displacement = 4 m.

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A force of magnitude 25 N acting on a body of mass 2 kg increases its kinetic energy from 100 J to 200 J. The displacement of the body during this interval is ___ m.

According to the work-energy theorem, work done by the force would be equal to the change in kinetic energy of the body. The change in kinetic energy is equal to 100 J and we know that: Work done = Force x displacement. Therefore, 100 = 25 x displacement. So, from here, we have displacement = 4 m.

A force of magnitude 25 N acting on a body of mass 2 kg increases its kinetic energy from 100 J to 200 J. The displacement of the body during this interval is
___ m.