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1.7.1a Energy stores and energy transfers

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Question 162

An object falls from a height of 4.0 m.

Air resistance can be ignored.

As it hits the ground the object has 480 J of kinetic energy.

What is its mass? (Take g=10 m/s2g = 10\text{ m/s}^2g=10 m/s2)

A

1.2 kg1.2\text{ kg}1.2 kg

B

12 kg12\text{ kg}12 kg

C

48 kg48\text{ kg}48 kg

D

120 kg120\text{ kg}120 kg

Markscheme

1.7.1a Energy stores and energy transfers Questions

  1. IGCSE
  2. /Physics
  3. /1.7.1a Energy stores and energy transfers

229 exam-style questions on CIE IGCSE Physics 1.7.1a Energy stores and energy transfers. Each one has a worked solution and a mark scheme showing where the marks go.

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