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April 18, 2014

Homework Help: Physics (Wave Force)

Posted by Anonymous on Friday, January 27, 2012 at 11:03am.

An archer must exert a force of 445 N on the bowstring shown in Figure (a) such that the string makes an angle of = 34.0 with the vertical.

(a) Determine the tension in the bowstring.
_____________________________________
My answer was 420.525, but it is within 10% of the correct value.

I used Newton's 2nd Law and derived @:

T=445/2sin(34)

***Please help! What am I doing wrong?

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