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I am trying to write a java code where the user inputs the height at which a solid body approaches a sphere of radius R and outputs the angle ##\theta## at which the body bounces off the sphere.

I have all my code written is just that I don't know how to derive the equation that calculates the angle ##\theta##.

https://col127.mail.live.com/att/GetAttachment.aspx?tnail=0&messageId=fbddf598-ac28-11e4-b241-00215ad73f00&Aux=114%7c0%7c8D20E4CE497FAD0%7c%7c0%7c0%7c0%7c0%7c%7c%7c10%7cmahjk17%40hotmail.com&cid=3d6363fe08a85f18&maxwidth=220&maxheight=160&size=Att&blob=MHxTY3JlZW4uanBnfGltYWdlL2pwZWc_3d

I have all my code written is just that I don't know how to derive the equation that calculates the angle ##\theta##.

https://col127.mail.live.com/att/GetAttachment.aspx?tnail=0&messageId=fbddf598-ac28-11e4-b241-00215ad73f00&Aux=114%7c0%7c8D20E4CE497FAD0%7c%7c0%7c0%7c0%7c0%7c%7c%7c10%7cmahjk17%40hotmail.com&cid=3d6363fe08a85f18&maxwidth=220&maxheight=160&size=Att&blob=MHxTY3JlZW4uanBnfGltYWdlL2pwZWc_3d

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