subject
Physics, 30.12.2019 14:31 22iungj

While standing near a bus stop, a student hears a distant horn beeping. the frequency emitted by the horn is 440 hz. the bus is traveling at 20.0 m/s, and the speed of sound is 330 m/s. what frequency will the student hear at each point in the bus's motion?
a. 468 hz while approaching, 440 hz through the crossing, 415 hz while receding
b. 415 hz while approaching, 440 hz through the crossing, 468 hz while receding
c. 440 hz while approaching, 415 hz through the crossing, 400 hz while receding
d. 505 hz while approaching, 440 hz through the crossing, 438 hz while receding

ansver
Answers: 2

Other questions on the subject: Physics

image
Physics, 22.06.2019 01:30, chloe1107
Which explanation describes the forces involved for a person to walk down the sidewalk? a. the person's feet push backward on the sidewalk; the sidewalk pushes backward on the person. b. the person's feet push forward on the sidewalk; the sidewalk does not push on the person. c. the person's feet push backward on the sidewalk; the sidewalk pushes forward on the person. d. the person's feet push forward on the sidewalk; the sidewalk pushes forward on the person.
Answers: 1
image
Physics, 22.06.2019 11:10, cmflores3245
While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from a sodium street lamp, radio waves from an am radio station, radio waves from an fm radio station, and microwaves from an antenna of a communications system. rank these type of waves in terms of increasing photon energy.
Answers: 3
image
Physics, 22.06.2019 17:30, jarteria0
Which of the following is the best name for mgcl2
Answers: 2
image
Physics, 22.06.2019 20:00, chantelljenkins2
Aturntable that spins at a constant 74.0 rpm takes 3.10 s to reach this angular speed after it is turned on. find its angular acceleration (in rad/s2), assuming it to be constant, and the number of degrees it turns through while speeding up.
Answers: 2
You know the right answer?
While standing near a bus stop, a student hears a distant horn beeping. the frequency emitted by the...

Questions in other subjects:

Konu
Mathematics, 30.10.2020 16:50