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3.1 Energy stores and calculations

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Question 28

A ball of mass 0.15 kg is thrown vertically upwards. It leaves the hand at a speed of 8.0 m/s.

Gravitational field strength ( $g$ ) = 10 N/kg

Calculate the kinetic energy of the ball as it leaves the hand.

[2]

Describe the changes in the way energy is stored as the ball rises to its highest point.

[2]

Air resistance can be ignored.

Calculate the maximum height the ball rises above the hand.

[3]

In practice, air resistance acts on the ball.

Explain why the ball does not reach the height calculated in (c).

[2]

Markscheme

3.1 Energy stores and calculations Questions

GCSE
Physics
3.1 Energy stores and calculations

121 exam-style questions on Edexcel GCSE Physics 3.1 Energy stores and calculations, covering 3.1.1 Gravitational potential energy, 3.1.2 Kinetic energy, and 3.1.3 Energy transfers and conservation of energy. Each one has a worked solution and a mark scheme showing where the marks go.

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