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3 Conservation of energy

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Question 70
F

A box gains 180 J of gravitational potential energy when it is raised through 1.5 m. Use g=10 N/kgg=10\ \mathrm{N/kg}g=10 N/kg. What is the mass of the box?

[1]
A

270 kg270\ \mathrm{kg}270 kg

B

18 kg18\ \mathrm{kg}18 kg

C

120 kg120\ \mathrm{kg}120 kg

D

12 kg12\ \mathrm{kg}12 kg

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3 Conservation of energy Questions

  1. GCSE
  2. /Physics
  3. /3 Conservation of energy

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