The potential energy of a body is given by `U=9/x^(2)-2/x` The position at which its speed can be maximum is.

The potential energy of a body is given by `U=9/x^(2)-2/x` The position at which its speed can be maximum is.
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The potential energy of a body is given by `U=9/x^(2)-2/x` The position at which its speed can be maximum is. A. `x ... = -3 m` C. `x=9 m` D. `x=-9 m`
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