ch03-p027 - 27. Let l0 = 2.0 cm be the length of each...

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Therefore, the magnitude of B d G is 22 0 | | (2 3 / 2) (3/ 2 3) (2.0 cm)(4.3) 8.6 cm B dl =+ + += = G . (d) The direction of B d G is , 11 1 , 3/2 3 tan tan tan (1.13) 48 23 / 2 By B Bx d d θ −− §· + == = = ° ¨¸ + ©¹ . 27. Let 0 2.0 cm l = be the length of each segment. The nest is located at the endpoint of segment w . (a) Using unit-vector notation, the displacement vector for point A is () () 00 0 0 0 ˆˆ ˆ ˆ ˆ ˆ (cos60 i sin60 j) j (cos120 i sin120 j) j ˆ (2 3) j. A dw v i h l l l l l =+++= ° + °+ + ° + GG G Therefore, the magnitude of A d G is | | 3)(2.0 cm) 7.5 cm A d = G
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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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