ch11-p097 - 97 Since we will be taking the vector cross...

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97. Since we will be taking the vector cross product in the course of our calculations, below, we note first that when the two vectors in a cross product G G A B × are in the xy plane, we have G AA A xy = ## i + j and G BB B = i + j, and Eq. 3-30 leads to G G AB AB AB yx ×= di # k. Now, we choose coordinates centered on point O , with + x rightwards and + y upwards. In unit-vector notation, the initial position of the particle, then, is G rs 0 = # i and its later position (halfway to the ground) is G rs h =− ij 1 2 . Using either the free-fall equations of
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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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