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12 marksMotions

CAPE Physics Unit 1 · 1999 · Paper 2 · Question 4(c)(i)

A rifle fires two bullets, one at 60° and one at 45° above the horizontal. Each bullet leaves the rifle at 200 m/s.

For EACH bullet calculate the horizontal range and the corresponding time of flight.

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Other parts of this question

  1. 4(a)State the principle of conservation of linear momentum.[2 marks]
  2. 4(b)Show that for an object projected with a given velocity, v, at an angle, α, to the horizontal, the trajectory is given by the equation y = x tan α - gx² / (2v²…[6 marks]
  3. 4(c)(ii)What is the velocity with which the rifle recoils?[1 mark]

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