If they research it then they would get the answer that they need to find out of the universe that is what I think.
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Answer:
The change of the momentum of the ball is
Explanation:
We should find
(1)with
the initial momentum and
the final momentum. Linear momentum is defined as
, using that on (1):
(2)
It's important to note that momentum and velocity are vectors and direction matters, so if +x direction is the direction towards the wall and the -x direction away the wall
and
so (2) becomes:

Natural Frequency
Hope that helped!
T² caries directly as R³ .
This is Kepler's 3rd law of planetary motion .