2 years ago

paper by itself catches fire easily whereas a piece of paper wrapped around an alluminium pipe does not.

1 answer:

7 0

Answer:

The paper does not catch fire when wrapped around aluminium pipe because aluminium absorbs the heat, so paper does not attain its ignition temperature.

Explanation:

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2 years ago

A standing wave of the third overtone is induced in a stopped pipe, 2.5 m long. The speed of sound is The frequency of the sound

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Answer:

f3 = 102 Hz

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To find the frequency of the sound produced by the pipe you use the following formula:

$f_n=\frac{nv_s}{4L}$

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L: length of the pipe = 2.5 m

You replace the values of n, L and vs in order to calculate the frequency:

$f_{3}=\frac{(3)(340m/s)}{4(2.5m)}=102\ Hz$

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paper by itself catches fire easily whereas a piece of paper wrapped around an alluminium pipe does not.​

paper by itself catches fire easily whereas a piece of paper wrapped around an alluminium pipe does not.