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Chapter 10 Review Questions
Chapter 13 contains Review Questions Answers and Explanations.
A string is fixed at both ends and supports a standing wave.
A string has a length of 6 m and is fixed at both ends.
Two speakers, S1 and S2, emit sound waves of wavelength 2 m in phase with each other.
A > 0 9.
A closed organ pipe has a length of 17 cm.
A bat emits a 40 kHz "chirp" with a wavelength of 8.25mm toward a tree and receives an echo of 0.4 s later.
A car is travelling at 20 m/s.
A rope is stretched.
The points are fixed.
Waves of lengths 4 m and 3.2 m can be supported by the rope.
Students are brought to a racetrack for a physics lab experiment.
The goal of the experiment is for the students to observe the pitch of the car's horn.
The diagram shows a long straight track where the car is being driven.
The students are standing by the track.
A group of students perform a set of physics experiments using two tuning forks, one with a Frequency of 400 and the other with a Frequency of 440.
The medium through which a wave travels has an effect on the wave's speed.
The speed won't be affected by changing frequencies or wavelength, as long as the medium remains the same.
The amount of energy present in the waves is more important than the speed of the wave.
A traveling wave can be described by Superposition as when parts of waves interact so that they interfere.
The sound is a wave.
The speed of sound is 343 m/s at room temperature and normal atmospheric pressure.
If the tube is closed on one end or open on the other, the sound will be different.
If there is a relative motion between the source of the sound and the detector, the frequencies of the sounds will vary.
The relative motion of the objects will affect the Frequency.
The relative motion will be perceived as lower if it is away from each other.
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