- #1

radagast_

- 29

- 0

## Homework Statement

http://img518.imageshack.us/img518/7105/76py8.gif

## Homework Equations

## The Attempt at a Solution

I don't want a solution, just guidelines.. I don't really know how to approach it.

I was thinking about an equation of conservation of momentum which will give me 2 equations (x, y) and conservation of energy (because of the ellastic collision) which will give me another equation. All in all - 3 equations, but I have 4 variables: alpha, v0, and the ball and object's speeds after the collision.

What am I missing?

Thank you.

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