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March 6, 2015

March 6, 2015

Posted by **Anonymous** on Friday, October 23, 2009 at 10:32pm.

- Physics -
**bobpursley**, Friday, October 23, 2009 at 10:40pmSo what is the question? All you haven't been given is the weight of the bird.

Figure the angle at the center (vertical to wire) tanTheta=15/.5

Now, if tension is 70, and each side supports half the weight of the bird

then cosTheta=weight/2 / tension

and you solve for weight.

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