A particle (M1 = 1.00 kg) moving at 30.0° downward from the horizontal with V1 = 2.50 m/s hits a second particle (M2 = 2.00 kg), which was at rest momentarily. After the collision, the speed of was reduced to.500 m/s, and it was moving at an angle of 32° downward with respect to the horizontal. Assume the collision is elastic.
a) What is the speed of M, after the collision?
b) What is the angle between the velocity vectors of M1 and M2 after the collision?

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