ch05-p097 - 97. The coordinate choices are made in the...

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() 00 17 N 3.0 s 4.3 m/s. 12 kg y yy y y F vv a t v t m §· =+= + = = ¨¸ ©¹ Thus, ˆˆ (5.0m/s)i (4.3m/s) j . v =+ G (b) We write the position vector of the armadillo as G rr r xy ## i j . At t = 3.0 s we have r x = (5.0 m/s) (3.0 s) = 15 m and (using Eq. 2-15 with v 0 y = 0) 2 22 0 11 1 1 7 N 3.0 s 6.4 m. 2 1 2 k g y y F rvt a t t m §·§· = = = ¨¸¨¸ The position vector at t = 3.0 s is therefore (15 m) i (6.4 m)j . r G 97. The coordinate choices are made in the problem statement.
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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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