Question: A ball of mass m moving with velocity vo experiences a head-on elastic collision with one of the spheres of a stationary rigid dumbbell as

A ball of mass m moving with velocity vo experiences a head-on elastic collision with one of the spheres of a stationary rigid dumbbell as whown in Fig. 1.50. The mass of each sphere equals m/2, and the distance between them is l. Disregarding the size of the spheres, find the proper angular momentum M of the dumbbell after the collision, i.e. the angular momentum in the reference frame moving translationally and fixed to the dumbbell's centre of inertia.

pm/2 dm/2

pm/2 dm/2

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