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2 marksMotions

CAPE Physics Unit 1 · 2014 · Paper 2 · Question 1(a)(ii)

A missile is fired from the ground with an initial velocity of 300 m/s at an angle of inclination of 40°. The missile remains in flight for 39 seconds.

By neglecting air resistance, determine the horizontal range of the missile.

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Other parts of this question

  1. 1(a)(i)Calculate the initial horizontal component of the missile's velocity.[2 marks]
  2. 1(b)(i)In which picture does the ball have maximum potential energy?[1 mark]
  3. 1(b)(ii)In which picture does the ball have maximum kinetic energy?[1 mark]
  4. 1(b)(iii)How much potential energy has the ball lost from Picture 1 to Picture 6, if the ball weighs 2 N?[2 marks]
  5. 1(c)On the grid provided on page 7, plot a graph of H_rebound versus H_before (starting at the origin).[4 marks]
  6. 1(d)(i)Use the graph in (c) above to deduce the equation relating H_rebound and H_before.[2 marks]
  7. 1(d)(ii)How high would the ball be expected to rebound if it were dropped from a height of 2.04 m?[1 mark]

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