End of Topic Test - Energy

Test yourself on End of Topic Test - Energy

• When pressure is applied to a trampoline, where is its energy being stored?

• A fan that is switched on for 1 minute uses 500 W usefully but also wastes 300 W through the emission of sound and heat. What's the efficiency of the fan?

• Which of the following is the correct equation for calculating kinetic energy?

• What is the kinetic energy of a penguin with a mass of 8 kg that is running at a speed of 3 m/s?