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a 50 kg student who is late runs up two flights of stairs whose combined vertical height is 7.0 m in 10 s (and he then silently enters the classroom while the professor is writing on the chalkboard).Calculate the student's power output in doing work against gravity in a) watts, b) kilowatss, and c)horsepower

  • physics - ,

    Power = M*g*H/time = 343 watts

    You can surely convert that to kW

    746 W = 1 hp. Do the conversion

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