Practice: Coefficient of Restitution

A smooth sphere was moving on a smooth horizontal surface at a speed of 𝑢 when it collided with a smooth vertical wall. The motion direction of the sphere at the instant of collision formed an angle of 60 with the wall. Its speed immediately after the collision was 1314𝑢. Determine the coefficient of restitution between the sphere and the wall.

  • A2107
  • B227
  • C4049
  • D2249
  • E307

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