How long will you collide?

A ball of mass 1 kg1\textrm{ kg} is dropped from a height H=2 mH=2\textrm{ m}. Estimate how long the ball is in contact with the ground (in seconds)?

Details and assumptions

  • Simplify the question by modeling the ball as an ideal spring of spring constant 100 Nm100 \textrm{ Nm}|.
    • If necessary, take the gravitational acceleration to be 9.8 m/s29.8\textrm{ m/s}^2.
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