Explanation:
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Find the area of a circle with a radius r of 6 feet. Round off your answer to one decimal point. Hint: the formula for the area
of a circle is A = π r2 and π should be approximated to four decimal places. 
2 answers:
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Answer:
For the given conditions the fundamental frequency is 3728.26 Hertz
Explanation:
We know that for a pipe open at one end and closed at other end the fundamental frequency is given by
where
f is the fundamental frequency
is the speed of sound in air in the surrounding conditions.
L = Length of the pipe
Applying values we get and using speed of sound as 343m/s we get