Classical Dynamics of Particles and Systems · Problem 9-34
Motion in a Noninertial Reference Frame — Marion & Thornton
Physics — Mechanics · elastic-collisions
Problem
A billiard ball of initial velocity u1 collides with another billiard ball (same mass) initially at rest. The first ball moves off at ψ=45∘. For an elastic collision, what are the velocities of both balls after the collision? At what LAB angle does the second ball emerge?