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- https://phys.libretexts.org/Bookshelves/Classical_Mechanics/Classical_Mechanics_(Tatum)/05%3A_Collisions/5.03%3A_Head-on_Collision_of_a_Moving_Sphere_with_an_Initially_Stationary_SphereWe suppose that the two masses m1 and m2, the initial speed u, and the coefficient of restitution e are known; we wish to find v1 and v2. \[ v_{2} = \left(\df...We suppose that the two masses m1 and m2, the initial speed u, and the coefficient of restitution e are known; we wish to find v1 and v2. v2=(m1(1+e)m1+m2)u.The relation between the kinetic energy loss and the coefficient of restitution isn't quite as simple as in Section 5.2.
- https://phys.libretexts.org/Courses/Prince_Georges_Community_College/General_Physics_I%3A_Classical_Mechanics/31%3A_Collisions/31.01%3A_The_Coefficient_of_RestitutionBy conservation of energy, the kinetic energy of the body just before it hits the floor is mv2i/2=mghi, so its velocity is vi=√2ghi. The coefficient of restitution ...By conservation of energy, the kinetic energy of the body just before it hits the floor is mv2i/2=mghi, so its velocity is vi=√2ghi. The coefficient of restitution is just the square root of the ratio of the rebound height to the initial height. 1
- https://phys.libretexts.org/Bookshelves/Classical_Mechanics/Classical_Mechanics_(Dourmashkin)/15%3A_Collision_Theory/15.03%3A_Characterizing_CollisionsIn a collision, the ratio of the magnitudes of the initial and final relative velocities is called the coefficient of restitution and denoted by the symbol e, If the magnitude of the final relativ...In a collision, the ratio of the magnitudes of the initial and final relative velocities is called the coefficient of restitution and denoted by the symbol e, If the magnitude of the final relative velocity is less than the magnitude of the initial relative velocity, e<1, then the change in kinetic energy is negative. If the magnitude of the final relative velocity is greater than the magnitude of the initial relative velocity, e>1, then the change in kinetic energy is positive.
- https://phys.libretexts.org/Bookshelves/Classical_Mechanics/Classical_Mechanics_(Tatum)/05%3A_Collisions/5.02%3A_Bouncing_BallsIf there happens to be a little heap of gunpowder lying on the table where the ball hits it, it may bounce back with a faster speed than it had immediately before collision. If the collision is somewh...If there happens to be a little heap of gunpowder lying on the table where the ball hits it, it may bounce back with a faster speed than it had immediately before collision. If the collision is somewhat inelastic it will then rise to a height h1=e2h0 and it will take a time et to reach height h1.
