Question

the length of a piece of a feather is around 2.2 CM. when the same feather is wound closly around a penci,l it goes around 5 times. can you calculate the distance once around the pencil ?​

Answer 1

Answer:

same as

Explanation:

In fundamental mode

4

λ

=0.85

λ=4×0.85

f=v/λ=

4×0.85

340

=100Hz.

∴ Possible frequencies = nf (n is odd) = 100 Hz, 300 Hz,

500 Hz, 700 Hz, 900 Hz, 1100 Hz below 1250 Hz.

Answer 2

Answer:

I hope it is right.

Explanation:

please make a branlist