Direct impact and Newton's law of restitution

Direct impact and Newton's law of restitution Quiz

Spec 4.2 · Edexcel International A Level Further Maths: Quiz

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  1. 1. A 11 kg particle moving at 66 m s−1^{-1} hits a stationary 22 kg particle directly, with e=0.5e=0.5. Find the speed of the 22 kg particle afterwards.

    • A. 22 m s−1^{-1}
    • B. 33 m s−1^{-1}
    • C. 44 m s−1^{-1}
    • D. 66 m s−1^{-1}

  2. 2. Which of these cannot be a coefficient of restitution?

    • A. 00
    • B. 0.40.4
    • C. 11
    • D. 1.21.2

  3. 3. In a direct collision with e=1e=1, which statement is correct?

    • A. Momentum is not conserved
    • B. Kinetic energy is lost
    • C. Both momentum and kinetic energy are conserved
    • D. The particles move together afterwards

  4. 4. Two particles of mass 22 kg collide directly. One moves at 44 m s−1^{-1} and hits the other at rest, with e=12e=\frac12. How much kinetic energy is lost?

    • A. 66 J
    • B. 88 J
    • C. 1010 J
    • D. 1616 J

  5. 5. Particles of mass 33 kg and 11 kg move towards each other at 22 m s−1^{-1} and 44 m s−1^{-1}, and the collision has e=0e=0. Find their velocity afterwards.

    • A. 0.50.5 m s−1^{-1} in the direction of the 11 kg particle
    • B. 33 m s−1^{-1} in the direction of the 33 kg particle
    • C. 11 m s−1^{-1} in the direction of the 33 kg particle
    • D. 0.50.5 m s−1^{-1} in the direction of the 33 kg particle

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