ch12-p068 - 68. We denote the tension in the upper left...

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cos60 cos20 sin 60 sin 20 TT TW T °= ° + ° horizontal forces vertical forces. (a) We solve the above simultaneous equations and find 15N. tan 60 cos20 sin 20 W T == °° −° (b) Also, we obtain = T cos 20º / cos 60º = 29 N. 68. We denote the tension in the upper left string (
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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