Problem C3:
Before the collision, an object of mass n_{1}m_{0} is
traveling to the right with a speed of v_{0}, and an oblect of mass
n_{2}m_{0} is traveling to the left with a speed of v_{0}.
After the collision, the object with mass n_{1}m_{0} deflects
off at right angles from its original direction with a speed of v_{0} as
shown in the figure. What is the magnitude of the momentum
of the object with mass n_{2}m_{0}? If the magnitude of the
momentum is |**P**| = n_{3}m_{0}v_{0},
What is n_{3}?

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