A 1500 W winch is used to raise a load of bricks to a height of 25m. If the bricks need to reach this height in 1.5 minutes. What is the maximum allowable mass of the load bricks?

Answer 1

work = m g h = m * 9.8 * 25

power = work / time ... 1500 w = work / 90 s

m = (power * time) / (g * h)