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please find the gravitational field and gravitational potential shown for a disk that has a nonunifrom surface mass density, I have already found the constant c which is shown in the attachment.

a infinitesimally thin cırcular dis k of rodius R
and mass M centered at the origin sitting in
the
Plane, The disk has non uniform.
surface density o wnich varies linearly with
radius (ie o=cr)
) Find the grautatianal field gcr) and gravitional
Potential @ cr) at the point
co.o,2) above the disk
Note :
3M
2T R 3

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