- Explain in terms of specific heat capacity why a hot water bottle is good at heating a bed.
- What is the difference between velocity and speed?
- Given an ammeter voltmeter a battery and a lamp how will you find the resistance of the lamp?
- It takes 4200 Joules to heat up 1 kg of water by 1 C^o. If you have a kettle with a power of 2500 Watts, how long will it takes to boil 0.8 kg of water from an initial temperature of 25 C^o to the nearest second??
- Coal is a non-renewable energy resource. Name two other non-renewable energy resources.