When a superball rolls out the window...

From the top floor of a very high building, a kid drops a ball. Estimate the magnitude of the acceleration of the ball right after its collision with the ground in \(m/s^2\).

Details and assumptions

  • Assume that the collision is perfectly elastic.
  • The acceleration due to gravity is \(-9.8~m/s^2\).
  • Do NOT neglect the effects of air resistance.
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