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Rotational kinetic energy of jupiter

  • Thread starter gbabe197
  • Start date
  • #1
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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
 

Answers and Replies

  • #2
Doc Al
Mentor
44,912
1,170
Sounds like you have the correct approach. Check your units and your arithmetic.
 

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