- Describe the ways energy can be transmitted through a substance?
- Explain the difference between speed and velocity.
- What is the equation linking Power, Time, and energy? and Calculate the work done by a cyclist when his power output is 200 W for 1800 seconds?.
- what is a half life of a substance and how can you work it out.
- A jug containing 0.250 kg of liquid is put into a refrigerator. Its temperature decreased from 20°C to 15°C. The amount of energy transferred from the liquid was 5,250 J. Calculate the specific heat capacity of the liquid.