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Formative assessment questions for teaching physics

A2L Item 274

  • Description:
  • Goal:
  • Source:
  • Keywords: Acceleration, Displacement, Forces, Gravity, Mechanics, Problem Solving, Velocity

The question for students:

Two cars have a race. Car A drives with constant speed of 20 m/s. Car B drives with speed 10 m/s for 3 s, then accelerates uniformly to a speed of 25 m/s during the next 3 s. Car B maintains the speed of 25 m/s for the rest of the race.

If the race is very long, can car B ever catch car A?

  1. YES
  2. NO
  3. Not enough information.

Commentary for teachers:

No commentary available.