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Physics (AS & A Level) · Feb / March 2025 · Paper 12 · Question 15

9702Gravitational potential energy and kinetic energy

A block is released from rest at the top of a slope inclined at an angle to the horizontal. The slope has length L as shown in the diagram. There are no resistive forces acting on the block. What is the speed of the block at the bottom of the slope?

  1. A4.43√(Lcosθ)
  2. B4.43√(Lsinθ)
  3. C19.6Lcosθ
  4. D19.6Lsinθ

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Correct answer: B. 4.43√(Lsinθ)

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