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**1. Homework Statement**

The white ball (2kg) in the figure has a speed of 1.74 m/s and the yellow ball (1kg) is at rest prior to an elastic glancing collision. After the collision the white ball has a speed of 1.37 m/s. what angle does it scatter at if the yellow ball is scattered at 280 degrees?

**2. Homework Equations**

mva=mvacos(@)+mvbcos(@)

**3. The Attempt at a Solution**

2(1.37)Cos(@)a+0.58Cos280

2.74Cos@+.10

=92 degrees

I think I'm close, but not quite.

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