Two Students,sitting on Frictionless Carts,push Against Each Other

question 71

Multiple Choice

Two students,sitting on frictionless carts,push against each other.Both are initially at rest and the mass of student 1 and the cart is M,and that of student 2 and the cart is 1.5M.If student 1 pushes student 2 so that she recoils with velocity ,what is the velocity of student 2.

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