Alan wants to make a metal cylinder (with length of 40 MM) melt down a solid metal sphere with a volume 36000mm^3 Could anyone workout part
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c)

Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.