Author Question: The speed of sound does NOT depend on: a. the medium sound travels through. b. the air pressure. ... (Read 46 times)

jrubin · **on:** Jul 28, 2018

The speed of sound does NOT depend on:
a. the medium sound travels through.
b. the air pressure.
c. the temperature.
d. the type of gas.
e. the altitude.

Question 2

In this figure a tuning fork is struck and creates disturbances in the surrounding air. Describe the motion of the molecules in the figure.
a. Each molecule moves back and forth from the left to the right.
b. The molecules start at the left and all eventually end up to the right.
c. The molecules move back and forth from left to right, on average, but their random motion causes them also to move in any direction.
d. The molecules move either back and forth from left to right on average, or up and down.
e. The molecules move either back and forth from left to right on average, as well as in and out of the page.