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October 30, 2014

October 30, 2014

Posted by **Christian** on Thursday, October 11, 2012 at 1:05pm.

- Physics -
**Elena**, Thursday, October 11, 2012 at 2:00pmF(A)x =F(A) •cos20°

F(A)y= F(A) •sin20°

F(B)x =F(B) •cos80°

F(B)y= F(B) •sin60°

-------

Fx=F(A)x+F(B)x = F(A) •cos20°+F(B) •cos80° = 85 •cos20°+125 •cos80°=…

Fy=F(A)y+F(B)y = F(A) •sin20°+F(B) •sin80°=85 •sin20°+125 •sin80°=...

F=sqrt(Fx²+Fy²) =...

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