Consider a vibrating guitar string that makes a sound wave that moves through the air. As the string moves up and down, the air molecules that are a certain horizontal distance from the string will move:
a. up and down.
b. toward and away from the guitar string.
c. back and forth along the direction of the length of the string.
d. in circles around the guitar string.
B
You might also like to view...
If the wavelength of a monochromatic source is 600 nm in vacuum, what is the wavelength from the same source when it passes through a liquid where the speed of light is 2.00 × 10^8 m/s? (c = 3.00 × 10^8 m/s)
a. 612.5 nm c. 400 nm b. 671 nm d. 392 nm
Simple Pendulum: A pendulum of length L is suspended from the ceiling of an elevator. When the elevator is at rest the period of the pendulum is T. How does the period of the pendulum change when the elevator moves upward with constant velocity?
A. The period does not change. B. The period increases. C. The period decreases. D. The period becomes zero. E. The period increases if the upward acceleration is more than g/2 but decreases if the upward acceleration is less than g/2.
When a photon is scattered from an electron, there will be an increase in the photon's
A) energy. B) frequency. C) wavelength. D) momentum. E) speed.
The latent heat of vaporization of water is roughly 10 times the latent heat of fusion of water. The amount of heat required to boil away 1 kg of water is __________ the amount of heat required to melt 1 kg of ice
a. one tenth b. equal to c. 10 times d. unrelated to