# A classical mechanics problem by Kundan Patil

Classical Mechanics Level 1

If a ball strikes a wall with velocity $$3 \text{ m/s}$$ at an angle $$30^\circ$$ and rebounds back at angle $$45^\circ$$ with velocity $$\sqrt{2} \text{ m/s}$$, then find the coefficient of restitution to three decimals places.

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