Solve the Problem $z = \frac { 1 } { 2 } \sqrt { x ^ { 2 } + y ^ { 2 } }$

question 340

Multiple Choice

Solve the problem.
-Find the centroid of the region enclosed between the cone with equation $z = \frac { 1 } { 2 } \sqrt { x ^ { 2 } + y ^ { 2 } }$ and the plane with equation $z = 3$ .

• A) \(( \bar { x } , \bar { y } , \bar { z } ) = \left( 0,0 , \frac { 12 } { 5 } \right)\)
• B) \(( \overline { \mathrm { x } } , \overline { \mathrm { y } } , \overline { \mathrm { z } } ) = ( 0,0,2 )\)
• C) \(( \bar { x } , \bar { y } , \bar { z } ) = \left( 0,0 , \frac { 9 } { 4 } \right)\)
• D) \(( \bar { x } , \bar { y } , \bar { z } ) = \left( 0,0 , \frac { 15 } { 8 } \right)\)

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