A standing wave of the third harmonic is induced in a stopped pipe of length 1.2 m. The speed of sound through the air of the pipe is 340 m/s. How many antinodes form in the standing wave pattern in the pipe?

Answer is 3.

Explanation:

Start by putting the values in the formula i.e.

Lenght 1.2m

The speed of sound through the pipe 340m/s.

Put it in the formula and the answer is 3.

answer; i believe the correct answer is (40,000 j) good luck

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