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Spherical mass distribution

Lizwi
in Classical Physics

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Why is      s      ranging from r - R   to r + R,

can anyone show me me which distance is r -R and which one is r+R

spheriCapture.PNG

r+RCapture.PNG

Edited by Lizwi

think of R as a clock hand. When R gets to 12 o'clock s = r - R, when R gets to 6 o'clock s r + R

  • Author

Ahhhr!, THANKS A LOT. I GET IT.

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