A moving wall

A ball is thrown with initial velocity 10 m/s at an angle of \(60^\circ \) to the horizontal. It strikes a vertical wall moving toward it with a velocity of \(10\text{ m/s}\) and bounces (elastically) to the point from where it was thrown.

Determine the time \(t\) (in seconds) from beginning of motion to the time that it strikes the wall.

Assumptions and Details

  • \(g=\SI[per-mode=symbol]{9.81}{\meter\per\second\squared}.\)
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