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3 Conservation of energy

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Question 109
H

A ball of mass 0.20 kg is released from rest at a height of 8.0 m above the ground. At a height of 3.0 m its speed is 9.0 m/s. Use g=10 N/kgg=10\ \mathrm{N/kg}g=10 N/kg. How much energy has been transferred to the surroundings at this point?

[1]
A

1.9 J1.9\ \mathrm{J}1.9 J

B

4.1 J4.1\ \mathrm{J}4.1 J

C

7.9 J7.9\ \mathrm{J}7.9 J

D

10.0 J10.0\ \mathrm{J}10.0 J

Markscheme

3 Conservation of energy Questions

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

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