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## Homework Statement

What is the rotational kinetic energy of Jupiter? Assume Jupiter is a uniform sphere with a rotational period of 9.81 hr.

## Homework Equations

I= 2mr^2/5

Krot= I*omega^2/2

omega= 2pi/T

## The Attempt at a Solution

i found the omega using the equation above and the period given

Then i found the moment of inertia using the equation above as well. Took the mass as 1.898e27 kg. and the radius as 71492000 metres.

I substituted both of these into the equation of rotational kinetic energy and did not get the right answer. any help would be appreciated