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1.1 Energy changes in a system, and the ways energy is stored before and after such changes

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Question 8
H

A toy launcher uses a spring to fire a ball vertically upwards. The spring constant of the spring is 320 N/m and the spring is compressed by 0.050 m. The ball has a mass of 0.025 kg. The gravitational field strength is 9.8 N/kg.

a.

Calculate the energy in the elastic potential energy store of the compressed spring.

[3]
b.

All of the energy in the elastic potential energy store of the spring is transferred to the ball. Calculate the maximum height the ball rises above its starting point.

[3]
c.

In practice the ball rises to a smaller height than the height calculated in part b). Explain why.

[2]
Markscheme

1.1 Energy changes in a system, and the ways energy is stored before and after such changes Questions

  1. GCSE
  2. /Physics
  3. /1.1 Energy changes in a system, and the ways energy is stored before and after such changes

40 exam-style questions on AQA GCSE Physics 1.1 Energy changes in a system, and the ways energy is stored before and after such changes, covering 1.1.1 Energy stores and systems, 1.1.2 Changes in energy, 1.1.3 Energy changes in systems, and 1.1.4 Power. Each one has a worked solution and a mark scheme showing where the marks go.

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