Changes in energy - Edexcel

1

What is the name of the energy stored by a moving object?

2

Where might elastic potential energy be stored?

3

What is the main energy transfer for a pencil falling from a table?

4

What is the main energy transfer for a vehicle slowing down?

5

Which of these cannot happen to energy?

6

If 220 J of energy is transferred and 140 J is usefully stored, how much energy is wasted?

7

What happens to 'dissipated' energy?

8

What is the gravitational potential energy stored in a 55 kg teenager sitting at the top of a 4 m high tree? (g = 10 N/kg)

9

What is the kinetic energy of a 200 kg boat moving at 2.7 m/s?

10

A 1.6 kg ball has 80 J of kinetic energy. How fast is it moving?