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

Non-uniform motion — practice question

A tennis ball is launched horizontally into the air from the top of a tall building. The effect of air resistance is not negligible. What happens to the ball’s horizontal and vertical velocity components?

  • Ahorizontal component of velocity: constant; vertical component of velocity: constant
  • Bhorizontal component of velocity: constant; vertical component of velocity: increases at a constant rate
  • Chorizontal component of velocity: decreases to zero; vertical component of velocity: increases at a constant rate
  • Dhorizontal component of velocity: decreases to zero; vertical component of velocity: increases to a maximum value

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