A particle of mass 3 kg is moving under ...

A particle of mass 3 kg is moving under the action of a central force whose potential energy is given by U(r) = 10r3 joule. For what energy and angular momentum will the orbit be a circle of radius 10 m ?

`2.5xx10^(4)J,3000"kgm"^(2)//sec`

`3.5xx10^(4)J,2000"kgm"^(2)//sec`

`2.5xx10^(3)J,300"kgm"^(2)//sec`

`3.5xx10^(3)J,300"kgm"^(2)//sec`

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