8.5: Relative Velocity and the Coefficient of Restitution
https://phys.libretexts.org/Courses/Merrimack_College/Conservation_Laws_Newton's_Laws_and_Kinematics_version_2.0/08%3A_C8)_Conservation_of_Energy-_Kinetic_and_Gravitational/8.05%3A_Relative_Velocity_and_the_Coefficient_of_Restitution
WebSep 20, 2023 · This ratio is denoted by e e and is called the coefficient of restitution. Formally, e = −v12,f v12,i = −v2f −v1f v2i −v1i. (8.5.7) (8.5.7) e = − v 12, f v 12, i = − v 2 f − v 1 f v 2 i − v 1 i. For an elastic collision, e e = 1, as required by Equation ( 8.5.2 8.5.2 ).
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