An electric motor is used to run a lift (elevator). The motor does $140\,000\,\text{J}$ of work in $70\,\text{s}$. Calculate the output power of the motor.
- A$0.50$ milliwatts
- B$2.0$ watts
- C$2.0$ kilowatts
- D$9.8$ megawatts
Physics 5054 · O Level · Power