Glancing Elastic Collison

1. Two masses, m and M are involved in a glacing collision as seen below where θ and ø= pi/2.
If M = nm what must n be such that the collision is elastic?

Remember if θ+ø=pi/2 then cos(θ)=sin(ø) and cos(ø)=sin(θ)

2. I am suppose to find an number for n.

3. ∑KEo=∑KEf

substitute m[itex]_{1}[/itex]n for m[itex]_{2}[/itex] and cancel the 1/2m[itex]_{1}[/itex]


Not sure what to do from here please help. I know I’m probably suppose to use the θ and ø, but I’m not sure how to incorporate it.

1. The problem statement, all variables and given/known data

Known: M=nm, θ+ø=pi/2
Unknown: n

2. Relevant equations


3. The attempt at a solution

PS sorry I kinda messed this up it is my first post.

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