Answer:
The moment of inertia is 
Explanation:
The moment of inertia is equal:

If r is 
and 


[two waves] pass a point [every second]... The answer is in the question (B)
I believe it is A :) hope this helped
Gregor Mendel is considered the "Father of Genetics" because of his work with pea plants.
You pick up the hula hoop and stand inside of it then pick it up will you’re inside it and hold to your waist and spin it then turn your hips