Wave speed = frequency x wavelength
= 100 x 0.3
= 30 m/s.
Hope this helps!
Answer:
<h2>2.45 g/mL</h2>
Explanation:
The density of a substance can be found by using the formula

We have

We have the final answer as
<h3>2.45 g/mL</h3>
Hope this helps you
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