Greg, a professional weightlifter, has the capacity to convert his internal energy into output work at a rate of 2.70 × 103 J/s.
If the distance from his chest to his extended arms is 0.750 m, how much weight can he bench press in 2.00 s?
What is the horsepower output of his arms under these conditions? Assume his arm muscles have an energy conversion efficiency of 25.0%.