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3 Conservation of energy

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Question 89
H

A trolley of mass 0.60 kg starts from rest and descends through a vertical height of 1.5 m. During the descent, 1.5 J is transferred to thermal stores. Use g=10 N/kgg=10\ \mathrm{N/kg}g=10 N/kg. What is the speed of the trolley at the bottom?

[1]
A

5.0 m/s5.0\ \mathrm{m/s}5.0 m/s

B

4.5 m/s4.5\ \mathrm{m/s}4.5 m/s

C

5.5 m/s5.5\ \mathrm{m/s}5.5 m/s

D

25 m/s25\ \mathrm{m/s}25 m/s

Markscheme

3 Conservation of energy Questions

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

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