Mathematics

Kareem Hester

27 February, 18:18

1. Which animal had to exert the most work in raising the water?

2. Which animal had to exert the greatest power to raise the water?

3. A motor is rated at 1500 Watts and a second motor is rated at 2200 Watts. If they each needed to lift a 100 kg box 20 meters, which one would do the most work?

4. A motor is rated at 1500 Watts and a second motor is rated at 2200 Watts. If they each needed to lift a 100 kg box 20 meters, which one would get the job done first?

5. convert each of your power values, which are in Watts, to horsepower by the conversion given earlier: 1 hp = 746 Watts