A crane needs $2.0$ minutes to raise a load to the roof of a building. The load’s change in gravitational potential energy is $360\,\text{kJ}$. What is the crane’s useful power output?
- A$3.0\,\text{kW}$
- B$180\,\text{kW}$
- C$720\,\text{kW}$
- D$43\,200\,\text{kW}$