Each time he does one pushup, Jose, who has a mass of 61kg, raises his center of mass by 25 cm. He completes an impressive set of 150 pushups in 5 minutes, exercising at a steady rate. Part A If we assume that lowering his body has no energetic cost, what is his metabolic power during this workout

Which best describes the present-day universe? opaque, expanding very slowly, stars produce heavy elements transparent, expanding at an accelerated rate, stars produce heavy elements opaque, expanding at an accelerated rate, stars produce only hydrogen and helium transparent, expanding very slowly, stars produce only hydrogen and helium