Two electric motors are used to lift a 2N weight through a vertical height of 10m.
Motor one does this in 5 seconds.
Motor two does this in 10 seconds.
What is the power rating of each motor?
A hairdryer transfers 48,000 J of energy in one minute. What is the power rating of the hairdryer?
How many kW are there in 5000W?
What is a Watt of power (1W) ?
Which of these formula for Power is correct?