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The potential energy of a body is given ...

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`

B

`x= -3 m`

C

`x=9 m`

D

`x=-9 m`

Text Solution

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The correct Answer is:
C
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