Question

Each time he does one pushup, Jose, who has a mass of 75 kg, raises his center of mass by 25 cm. He completes impressive 150 pushups in five minutes, exercising at a steady rate. a. If we assume that lowering his body is without an energetic cost, what is his metabolic power during this workout? b. In fact, it costs a certain amount of energy to lower his body—about half what it costs to raise it. If you include this in your calculation, what is his metabolic power?

Answer 1