ch11-p029 - 29. (a) We use = mr v , where r is the position...

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(b) If we write G rxyz =++ ### i j k, then (using Eq. 3-30) we find G G r F × is equal to yF zF zF xF xF yF zy xz y x −+ di b g ## # . ijk With x = 2.0, z = –2.0, F y = 4.0 and all other components zero (and SI units understood) the expression above yields G G G τ =× = + rF 80 . # . # ik N m . e j 29. (a) We use G A G G mr v , where G r is the position vector of the object, G v is its velocity vector, and
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