Question

Doubt on sound waves

Answer 1

how did the professor derive this equation? (The red part)

Answer 2

@Astrophysics @Farcher @ParthKohli

Answer 3

@ganeshie8

Answer 4

iNTEnsity=Power/Area

Answer 5

And I know Power=1/2 uw^2A^2v

Answer 6

where u=m/L

Answer 7

I totally know this from mechanical waves, please explain for sound waves

Answer 8

@mathstudent55

Answer 9

@Nnesha

Answer 10

@AravindG

Answer 11

@AlexandervonHumboldt2

Answer 12

@zepdrix

Answer 13

@Compassionate @nincompoop @mathmale @radar @Whitemonsterbunny17 @surjithayer

Answer 14

@iambatman
Can you help me Batman?
I am in deep trouble.

Answer 15

@Vincent-Lyon.Fr

Answer 16

@rvc

Answer 17

@Empty
@Frostbite

Answer 18

Nice derivation here:
http://physics.info/intensity/