Multiple Choice
Doppler effect: A carousel that is 5.00 m in radius has a pair of 600-Hz sirens mounted on posts at opposite ends of a diameter. The carousel rotates with an angular velocity of 0.800 rad/s. A stationary listener is located at a distance from the carousel. The speed of sound is 350 m/s. The longest wavelength reaching the listener from the sirens is closest to
A) 57.0 cm.
B) 57.7 cm.
C) 58.3 cm.
D) 59.0 cm.
E) 59.6 cm.
Correct Answer:
Verified
Correct Answer:
Verified
Q77: Intensity: The intensity of sunlight falling on
Q78: Standing waves of frequency 57 Hz are
Q79: Waves on a string: Waves travel along
Q80: Standing sound waves: A string, 0.28 m
Q81: Mathematics of traveling waves: Four traveling waves
Q83: Sound level: A certain source of sound
Q84: Standing sound waves: The lowest-pitch tone to
Q85: Intensity: Observer A is 3.0 m from
Q86: Standing sound waves: An air column, open
Q87: Sound level: The sound level at 1.0