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You're reading Solve for the tension in each of the cables attached to the traffic light. http://i32.tinypic.com/15ogkjo.jpg Please help me. The information is all in the picture of the worksheet.
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Comments
Apologies, I think that should be 980 instead of 880.
As a bit of a hint...
Rearrange one of the equations, the easiest would be the first one;
0.866 T1 = 0.766 T2
And then;
T1 = 0.766 / 0.866 T2
Substitute that in, to get;
0.766 * 0.8 / 0.866 T2 + 0.643 T2 = 880
And just solve that
by H on August 13th, 2009