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3 marksMomentum

CSEC Physics · May/June 2015 · Paper 2 · Question 4(b)(ii)

In a crash test, a car travelling at a constant velocity of 26 m s⁻¹ crashes into a wall and is brought to rest.

Calculate the average force exerted on the dummy by the seatbelt during the crash if the duration of the collision is 0.1 seconds.

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Other parts of this question

  1. 4(a)State Newton's three laws of motion.[6 marks]
  2. 4(b)(i)Calculate the initial momentum of a 70 kg test dummy in the car before the crash.[3 marks]
  3. 4(b)(iii)With the removal of all protective features, the dummy was subjected to another crash test with the same initial speed. This time it was subjected to a…[3 marks]

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