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Physics (AS & A Level) · May / June 2024 · Paper 13 · Question 18

9702Energy conservation

A block of mass 2.0 kg is released from rest on a slope. It travels 7.0 m down the slope and falls a vertical distance of 3.0 m. The block experiences a frictional force parallel to the slope of 5.0 N. What is the speed of the block after falling this distance?

  1. A4.9 m s–1
  2. B6.6 m s–1
  3. C8.6 m s–1
  4. D10 m s–1

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Correct answer: A. 4.9 m s–1

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