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Physics (AS & A Level) · May / June 2017 · Paper 11 · Question 8

9702Non-uniform motion

An object is dropped at time t = 0 from a high building. Air resistance is significant. Three graphs are plotted against time. the height of the object above the ground the speed of the object the magnitude of the resultant force on the object What are the quantities X, Y and Z?

  1. Aheight: X, speed: Y, resultant force: Z
  2. Bheight: X, speed: Z, resultant force: Y
  3. Cheight: Y, speed: Z, resultant force: X
  4. Dheight: Z, speed: Y, resultant force: X

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Correct answer: C. height: Y, speed: Z, resultant force: X

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