Answer:
only 30% of total energy will be useful ..
So, Useful energy =

13.5J energy is useful
Hot tea bcs it’s particles distributed non-uniformly ps this might not help yw
Answer:
As far as I remember, the answer should be: Elliptical galaxies have no spiral arms.
Explanation:
Hope am right and hope this helps
plz give me brainlist :)
Answer: angular distance north or south from the celestial equator measured along a great circle passing through the celestial poles
Explanation: