The note a4, above middle c has a frequency of 440 hz. sounds travels at about 340 m/s. what is the wavelength of middle a?

Wavelength of wave is 0.7727 m .

Step-by-step explanation:

Given :The note a4, above middle c has a frequency of 440 hz. sounds travels at about 340 m/s.

To Find: what is the wavelength of middle a?

Solution:

We are given that The note a4, above middle c has a frequency(f) of 440 hz .

Velocity of wave (c) = 340 m/s

Formula of wavelength:

So , wavelength =

                           =

Thus the wavelength of wave is 0.7727 m .

step-by-step explanation:

y = | -2(-2) |     →     y = | 4 |     →     y = 4       ⇒   (-2, 4)

y = | -2(-1) |     →     y = | 2 |     →       y =   2       ⇒   (-1, 2)    

y = | -2(0) |     →     y = | 0 |     →       y = 0         ⇒   (0, 0)

y = | -2(1) |   c →     y = | -2 |     →     y =   2         ⇒   (1, 2)    

y = | -2(2) |     →     y = | - 4 |     →     y =   4         ⇒   (2, 4)