Conservation of momentum

Conservation of momentum Quiz

Spec MB1 · AQA A-Level Further Maths: Quiz

Studying this course? Keep your progress in one place.

Pick an answer for each. Quizzes never use energy.

5 questions, one answer each

Each answer is checked as you go, with why.

See all 5 questions

  1. 1. A 44 kg particle moving at 55 m s⁻¹ hits a stationary 11 kg particle and they coalesce. Find the speed after.

    • A. 55 m s⁻¹
    • B. 44 m s⁻¹
    • C. 2020 m s⁻¹
    • D. 4.54.5 m s⁻¹

  2. 2. A 22 kg ball moving at 33 m s⁻¹ hits a 11 kg ball moving towards it at 33 m s⁻¹. They coalesce. Find their velocity in the original direction of the 22 kg ball.

    • A. 11 m s⁻¹
    • B. 33 m s⁻¹
    • C. −1-1 m s⁻¹
    • D. 22 m s⁻¹

  3. 3. A 6060 kg skater at rest pushes a 2020 kg skater so that the 2020 kg skater moves off at 33 m s⁻¹. Find the speed of the 6060 kg skater (smooth ice).

    • A. 33 m s⁻¹
    • B. 99 m s⁻¹
    • C. 00 m s⁻¹
    • D. 11 m s⁻¹

  4. 4. Particles of mass 11 kg and 22 kg have velocities (i+3j)(\mathbf{i}+3\mathbf{j}) and (2i−j)(2\mathbf{i}-\mathbf{j}) m s⁻¹. What is their total momentum?

    • A. 5i+j5\mathbf{i}+\mathbf{j}
    • B. 3i+2j3\mathbf{i}+2\mathbf{j}
    • C. 5i+2j5\mathbf{i}+2\mathbf{j}
    • D. 4i−j4\mathbf{i}-\mathbf{j}

  5. 5. In a collision between two particles on a smooth surface, which quantity must be conserved?

    • A. Total kinetic energy
    • B. Speed of each particle
    • C. Total momentum
    • D. Velocity of each particle

Quiz