Year 9 Homework - 3rd February

Last updated almost 4 years ago
15 questions
1

Thermal energy is stored in

1

Kinetic energy is stored in

1

Gravitational potential energy is stored in

1

Which of the following is a chemical energy store?

1

Which of the following is a nuclear energy store?

1

Which of the following is a store of elastic potneital energy?

1

Which of the following is a mechanical energy transfer?

1

In which of the following is the energy transfer done by radiation?

1

Describe the energy transfer that occurs when a ball is dropped from a height.

1

Describe the energy transfer that occurs when a car applies it's breaks and the breaks then warm up.

1

Describe the energy transfer that occurs when a car applies it's breaks and the breaks then warm up.

1

Describe the energy transfer that occurs when a mobile phone is charged.

1

A ball has 400J of gravitaional potential energy. If no energy is dissipated how much energy is usefully transferred to kinetic energy?

1

An electric car has 30J of chemical energy. 12J of energy is dissipated as sound, how much energy is usefully transferred to kinetic energy?

1

A kettle has 200J of thermal energy. 25J of energy is dissipated as sound, how much energy is usefully transferred to thermal energy?