Answer :

Final answer:

Power in physics is the rate of doing work or transferring energy. We calculate it by dividing the work done (force x distance) by the time taken. In this case, the power output of Yuri, the weightlifter, is 2940 Watts.

Explanation:

In physics, power is defined as the rate at which work is done or energy is transferred. Generally, it is calculated as the work done per unit time. In this scenario, Yuri, a Russian weightlifter, lifts a 300 kg weight a distance of 2.00 m in 2.00 seconds. The force acting on the weight is equal to the weight's mass times gravity (300kg * 9.8m/s² = 2940N), and the work done is equal to the force times the distance (2940N * 2m = 5880J).

To find the power, we then divide the work done by the time in which it was done. Thus, Power (P) = Work / Time = 5880J / 2.00s = 2940 Watts.

It's important to remember this formula: Power = Work / Time and knowing how to calculate the work done: Work = Force * Distance. This is an essential principle in Physics.

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