1.

A sphere of mass M,, moving with a velocity V0 collides head on with a stationary sphere of mass M. The collision is elastic. V1 and V2 are respectively their velocities immediately after collision.

Answer»

a-g, b-e, C-h, d-f
a-f, b-h, c-e, d-g
a-f, b-e, c-h, d-g
a-e, b-f, c-h, d-g

Answer :C


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