KIC000005 - Name: Math 265 §G2 Quiz 2 2011/09/02 Carry out...

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Unformatted text preview: Name: Math 265 §G2 Quiz 2 2011/09/02 Carry out the solution of each problem. Give exact answers unless decimal requested. Show all work. Mere oracular answers will receive no credit. ( I !' 01;0 approximations are 1. On object weighing 50 newtons is suspended by two cables that make angles of 10° and 20° with the vertical. Find the magnitude of the tension force in each cable. Round y~~r a.""~er the nearest 0.1 newton. . I' _S 0 ~c;2 ':0 . -- T «- : '2-0 I.)., 0:V"! 2-0 z: ,0 r: -r 'I l---::l <S ;Y7/D of I ~ 5D - -- I, ::. !?/l > /0 ~ :; 0 ----- - (..D'S) 0 e:r> ~ 10 ---/j = 3 i + 2j + k (.,l...v T2.- S;",)...0 "7) 2. Find proj; u if u tv>5 ID 0. :>!'n2D_Le><,(O~>O- I U" T, ipS. (0 z: 50 - 7.2 ?-O S 20 50 pJ \ ~S:''i2o ~.oS;/\ 7" 1... '-9 s AU T T, Ie and v V ttv If ..... g. ) '7" J = i + 5j - 3 k. - 1S /. i» ;:..ps.1D 2 D( . \ .~ ~,r.,l[JJ r:·w:..:zO .2. 1-12- e- J)O "':'1fO Si,,({J~ ';t ...
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