Two discs of same size and mass are B colliding on a frictionless Air-Hockey table. Disc A is sliding towards disk B (at rest) on their tangent as shown. Determine the velocity of disc B after the impact and the energy lost in the collision, if the A coefficient of restitution is e. Solve the problem algebraically first, then solve it for v = 1m/s and e=0.85

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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.