Respuesta :

jaysonjoseph234

Answer:

answer= 2.27 millisecond

Explanation:

Pitch of middle A corresponds to a frequency of 440 oscillation in 1 second.

we can write: A 440= oscillation/sec

440/sec = 440Hz

1/(440/sec)=(1/440)sec =0.00227sec

= 2.27milliseconds