finding solution of problem 03 of chapter 27
By 652301
@652301 (1)
Pakistan
January 9, 2007 7:30am CST
a small sphere of mass m carry a charge q. it hangs in earth's gravitational field from a silk thread that makes an angle @ with a large,uniformly face,and show that the sphere is the same as the field of a point charge at the position of the center of the sphere
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