Momentum, impulse and collisions requiring resolving

Momentum, impulse and collisions requiring resolving Quiz

Spec MB1–MB3 · AQA A-Level Further Maths: Quiz

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  1. 1. A smooth ball hits a smooth wall at 1010 m s⁻¹, at 30∘30^\circ to the wall. e=1e=1. Its speed after is

    • A. 1010 m s⁻¹
    • B. 55 m s⁻¹
    • C. 535\sqrt3 m s⁻¹
    • D. 2020 m s⁻¹

  2. 2. A ball with e=12e=\frac12 hits a wall at 1212 m s⁻¹ at 90∘90^\circ to the wall (directly). The speed after is

    • A. 1212 m s⁻¹
    • B. 33 m s⁻¹
    • C. 66 m s⁻¹
    • D. 2424 m s⁻¹

  3. 3. A ball hits a wall at an angle θ\theta to the wall with tan⁡θ=1\tan\theta=1 and e=12e=\frac12. The tangent of the angle to the wall after the impact is

    • A. 11
    • B. 22
    • C. 12\frac12
    • D. 14\frac14

  4. 4. Two smooth spheres collide obliquely. Which component of each sphere's velocity is unchanged?

    • A. Along the line of centres
    • B. Perpendicular to the line of centres
    • C. Both components
    • D. Neither

  5. 5. A ball of mass 0.50.5 kg hits a smooth wall with perpendicular component 88 m s⁻¹ and rebounds with perpendicular component 44 m s⁻¹. The impulse from the wall is

    • A. 22 N s
    • B. 66 N s
    • C. 44 N s
    • D. 88 N s

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