Let S be the spherical region of radius R with $\pi$/3 $\le$ $\varphi$ $\le$ 2 $\pi$/3 and $\pi$/3$\le$$\theta$ $\le$2 $\pi$/3.Find the value of R so that $\int _ { S } \vec { r } \cdot \vec { d A } = 40 \pi$ Give your answer to two decimal places.

Question

Let S be the spherical region of radius R with  $\pi$/3 $\le$ $\varphi$ $\le$ 2 $\pi$/3 and  $\pi$/3$\le$$\theta$ $\le$2 $\pi$/3.Find the value of R so that $\int _ { S } \vec { r } \cdot \vec  { d A } = 40 \pi$ Give your answer to two decimal places.

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The Answer of Let S be the spherical region of radius R with  $\pi$/3 $\le$ $\varphi$ $\le$ 2 $\pi$/3 and  $\pi$/3$\le$$\theta$ $\le$2 $\pi$/3.Find the value of R so that $\int _ { S } \vec { r } \cdot \vec  { d A } = 40 \pi$ Give your answer to two decimal places.

Let S Be the Spherical Region of Radius R With \pi