If a weightlifter raises a barbell with 100n of force from the floor over his head(2.5 meters) in 2 seconds. what is the power input?

Power input is 125 W.

Explanation:

Given:

Force applied for lifting the barbell,

Displacement caused by the force,

Time taken for the lift,

Work done by the weightlifter in raising the barbell is given as,

Now, power input is given as,

Therefore, the power input is 125 watts.

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explanation:

terd muffin is the correct answer