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In a physics lab, a 60-kg student runs up a 2.0-meter tall flight of stairs in 1.5 seconds. The work done to get to the top is 1200 Joules. The student's power rating is approximately _W.

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tiara143
The student's power rating is approximately 800W.

Power is the rate of doing work. Its SI unit is Watt. 1 W = 1J/sec

Given: The work done to get to the top is 1200 Joules

Time = 1.5 seconds.

Power = [tex] \frac{work done}{time} = \frac{1200J}{1.5 sec} = 800J/sec = 800W[/tex]

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