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3 Conservation of energy

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Question 24

A cable lifts an underwater camera of mass 450 g. The camera rises from 0.80 m below the surface of a lake to 1.20 m above the surface. Use g=10 N/kgg=10\ \mathrm{N/kg}g=10 N/kg.

What is the increase in the gravitational potential energy of the camera?

[1]
A

0.90 J0.90\ \mathrm{J}0.90 J

B

4.5 J4.5\ \mathrm{J}4.5 J

C

9.0 J9.0\ \mathrm{J}9.0 J

D

1.8 J1.8\ \mathrm{J}1.8 J

Markscheme

3 Conservation of energy Questions

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

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