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Find the Mass of the Surface S Having the Given $x ^ { 2 } + y ^ { 2 } + z ^ { 2 } = 9$

Question 69

Multiple Choice

Find the mass of the surface S having the given mass density. S is the hemisphere $x ^ { 2 } + y ^ { 2 } + z ^ { 2 } = 9$ , $z \geq 0$ ; the density at a point P on S is equal to the distance between P and the xy-plane.

A) $9 \pi$
B) $27 \pi$
C) 9
D) $3 \pi$

Find the Mass of the Surface S Having the Given x2+y2+z2=9x ^ { 2 } + y ^ { 2 } + z ^ { 2 } = 9x2+y2+z2=9

Multiple Choice

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Find the Mass of the Surface S Having the Given $x ^ { 2 } + y ^ { 2 } + z ^ { 2 } = 9$

Correct Answer:
Verified
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