Physics 9702 · AS & A Level · Non-uniform motion

Non-uniform motion — practice question

Two identical balls are launched vertically upwards from ground level with the same initial velocity. Ball X moves in a vacuum, whereas ball Y moves in air. Which statement about the motion of the balls is correct?

  • ABall X reaches a greater maximum height and in a longer time than ball Y.
  • BBall X reaches a greater maximum height and in a shorter time than ball Y.
  • CBall Y reaches a greater maximum height and in a longer time than ball X.
  • DBall Y reaches a greater maximum height and in a shorter time than ball X.

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