A source of sound remains stationary relative to the person in this figure. If the sound source remained stationary but the person moved toward the source, how would the frequency heard by the person change?
a. The frequency would be higher.
b. The frequency would be lower.
c. The frequency would remain the same.
d. The answer depends on distance to the source.
a
You might also like to view...
Neutron stars must ____
a. rotate very rapidly b. be very luminous c. have weak magnetic fields d. have a mass greater than three solar masses e. have about the same surface temperature as the star that created them
When a large floating ice cube with unfrozen water inside melts, the water level in its container
A) goes down. B) remains unchanged. C) goes up.
A very thin uniform rod, 2.40 m long and of weight 135 N, has a frictionless hinge at its lower end
It starts out vertically from rest and falls, pivoting about the hinge. Just as it has rotated through an angle of 55.0°, what is the downward acceleration of the end farthest from the hinge? A) 5.02 m/s2 B) 8.03 m/s2 C) 9.80 m/s2 D) 12.0 m/s2 E) 19.6 m/s2
The magnification for a flat mirror:
a. is a function of the image distance. b. is a function of the object distance. c. is a function of the object and image distances. d. is 1.