how much power is in my bicep if i can lift 50kg a height of 50cm 40 times in one minute?

Answer 1

P = F*d/t = Mg*d/t = 50*9.8 * 0.50/60s*40 = 163.3 J/s = 163.3 Watts.

Answer 2

power = (weight * height * reps) / time

watts = (50 * 9.8 * .5 * 40) / 60