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Unformatted text preview: (b) Find the magnitudes of the velocity and acceleration at t = 0 . 4. Describe geometrically the vector elds determined by each of the following vector functions: (a) F = 2 i + 3 j ; (b) F = x i + y j . 5. Evaluate i C F d r , where F = z i + x j + y k and r ( t ) = t i + t 2 j + 3 k ; t : 0 1. 6. Calculate the work done by the force eld F = 2 i 3 xy j in moving from A : (0 , , 0) to B : (2 , 4 , 0) (a) along the straight line AB ; (b) along the straight lines from A to D : (2 , , 0) and then from D to B ; (c) along the piece of the parabola y = x 2 , z = 0 from A to B . Copyright c c 2012 The University of Sydney...
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This note was uploaded on 02/06/2012 for the course MATH 2061 taught by Professor Notsure during the Three '09 term at University of Sydney.
 Three '09
 NOTSURE
 Statistics, Equations, Vector Calculus

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