Author Question: An elephant can hear sound with a frequency of 15 Hz. What is the wavelength of this wave if the ... (Read 120 times)

jace · **on:** Jul 29, 2018

An elephant can hear sound with a frequency of 15 Hz. What is the wavelength of this wave if the speed of sound in air is 343 m/s?

What will be an ideal response?

Question 2

As a supersonic airplane increases its speed more and more, the half-angle of the conical shock wave

A) decreases. B) increases. C) is not affected.