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The gravitational field due to a mass di...

The gravitational field due to a mass distribution is given by `E=-K//x^3` in x-direction. Taking the gravitational potential to be zero at infinity, find its value at a distance `x`.

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The potential at a distance x is
`V=-int(Edx)=int_(oo)^(x)K/(x^(3))dx=[(-K)/(2x^(2))]_(oo)^(x)=(-K)/(2x^(2))`
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