Answer:
true true false true false
Answer:
Answer for the question is given in the attachment.
Explanation:
<span>C.
Sample C would be best, because the percentage of the energy
in an
incident wave that remains in a reflected wave from this material
is the
smallest.
The coefficient of absorption is the percentage of incident sound
that's absorbed. So the highest coefficient of absorption results in
the smallest </span><span>percentage of the energy in an
incident wave that remains.
That's what you want. </span>
Answer:
C: equal to mg
Explanation:
in free-fall, gravity is always the net force on an object
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