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kkuhnert
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Homework Statement
Two masses (m and 3m) are moving towards each other along the x-axis with the same initial speed (v). Mass m is traveling to the left while mass 3m is traveling to the right. They undergo elastic glancing collision such that mass m is moving downwards after the collision at right angles from its initial direction. a) Find the final speed of the two masses and b) The angle at which the 3m mass is scattered.
Homework Equations
Ei=Ef
E=(0.5)mv^2
pi=pf
p=mv
The Attempt at a Solution
Pi=pf (x-direction)
3mv-mv = 3mv
2mv = 3mv
v=3mv/2m
v=mv
0=m
pi = pf (y-direction)
0=-mv+3m(1\3)v
mv=mv