COLLEGE PHYSICS - LCPO
4th Edition
ISBN: 9780134700427
Author: Knight
Publisher: PEARSON
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Chapter 16, Problem 50GP
To determine
To find: The wave speed of a pulse moving along string.
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A standing wave on a string that is fixed at both ends has frequency 80.0 Hz. The distance between adjacent antinodes of the standing wave is 22.0 cm. What is the speed of the waves on the string, in m/s?
A string is under a tension of T = 141 N. The string has a mass of m = 8 g and length L. When the string is plucked the velocity of the wave on the string is V = 291 m/s.
Part (a) What is the length of the string, in meters?
Part (b) If L is one wavelength, what is the frequency, in hertz?
The speed of a wave on a string with a fixed end and a free end is 440 m/s. The frequency of the wave is 220 Hz. What length of string is necessary to produce a standing wave with the third harmonic?
Chapter 16 Solutions
COLLEGE PHYSICS - LCPO
Ch. 16 - Light can pass easily through water and through...Ch. 16 - Prob. 2CQCh. 16 - Prob. 3CQCh. 16 - A guitarist finds that the pitch of one of her...Ch. 16 - Certain illnesses inflame your vocal cords,...Ch. 16 - Prob. 6CQCh. 16 - Figure Q16.7 shows a standing sound wave in a tube...Ch. 16 - A typical flute is about 66 cm long. A piccolo is...Ch. 16 - Some pipes on a pipe organ are open at both ends,...Ch. 16 - If you pour liquid in a tall, narrow glass, you...
Ch. 16 - When you speak after breathing helium, in which...Ch. 16 - Prob. 14CQCh. 16 - A synthesizer is a keyboard instrument that can be...Ch. 16 - A small boy and a grown woman both speak at...Ch. 16 - Prob. 18MCQCh. 16 - At x = 3 cm, what is the earliest time that y will...Ch. 16 - Prob. 20MCQCh. 16 - Prob. 21MCQCh. 16 - A student in her physics lab measures the...Ch. 16 - Prob. 23MCQCh. 16 - Resonances of the ear canal lead to increased...Ch. 16 - The frequency of the lowest standing-wave mode on...Ch. 16 - Suppose you pluck a string on a guitar and it...Ch. 16 - Figure P16.11 is a snapshot graph at t = 0 s of...Ch. 16 - Prob. 2PCh. 16 - Prob. 3PCh. 16 - Prob. 4PCh. 16 - Prob. 5PCh. 16 - Prob. 6PCh. 16 - At t = 0 s, a small upward (positive y) pulse...Ch. 16 - You are holding one end of an elastic cord that is...Ch. 16 - A 2.0-m-long string is fixed at both ends and...Ch. 16 - Figure P16.10 shows a standing wave oscillating at...Ch. 16 - A bass guitar string is 89 cm long with a...Ch. 16 - Prob. 12PCh. 16 - a. What are the three longest wavelengths for...Ch. 16 - Prob. 14PCh. 16 - Prob. 15PCh. 16 - Prob. 16PCh. 16 - The lowest note on a grand piano has a frequency...Ch. 16 - An experimenter finds that standing waves on a...Ch. 16 - Ocean waves of wavelength 26 m are moving directly...Ch. 16 - Prob. 20PCh. 16 - Prob. 21PCh. 16 - Prob. 22PCh. 16 - Prob. 23PCh. 16 - An organ pipe is made to play a low note at 27.5...Ch. 16 - The speed of sound in room temperature (20C) air...Ch. 16 - Parasaurolophus was a dinosaur whose...Ch. 16 - A drainage pipe running under a freeway is 30.0 m...Ch. 16 - Prob. 28PCh. 16 - Although the vocal tract is quite complicated, we...Ch. 16 - You know that you sound better when you sing in...Ch. 16 - A child has an ear canal that is 1.3 cm long. At...Ch. 16 - When a sound wave travels directly toward a hard...Ch. 16 - The first formant of your vocal system can be...Ch. 16 - When you voice the vowel sound in hat, you narrow...Ch. 16 - The first and second formants when you make an ee...Ch. 16 - Two loudspeakers emit sound waves along the...Ch. 16 - Two loudspeakers in a 20C room emit 686 Hz sound...Ch. 16 - In noisy factory environments, its possible to use...Ch. 16 - Two identical loudspeakers separated by distance d...Ch. 16 - Prob. 42PCh. 16 - Two identical loudspeakers 2.0 m apart are...Ch. 16 - Prob. 44PCh. 16 - Musicians can use beats to tune their instruments....Ch. 16 - A student waiting at a stoplight notices that her...Ch. 16 - Two strings are adjusted to vibrate at exactly 200...Ch. 16 - A flute player hears four beats per second when...Ch. 16 - Prob. 50GPCh. 16 - In addition to producing images, ultrasound can be...Ch. 16 - An 80-cm-long steel string with a linear density...Ch. 16 - Tendons are, essentially, elastic cords stretched...Ch. 16 - Spiders may tune strands of their webs to give...Ch. 16 - Prob. 56GPCh. 16 - Prob. 57GPCh. 16 - Prob. 58GPCh. 16 - Prob. 60GPCh. 16 - A 40-cm-long tube has a 40-cm-long insert that can...Ch. 16 - The width of a particular microwave oven is...Ch. 16 - Two loudspeakers located along the x-axis as shown...Ch. 16 - Two loudspeakers 42.0 m apart and facing each...Ch. 16 - Prob. 65GPCh. 16 - Two loudspeakers, 4.0 m apart and facing each...Ch. 16 - Piano tuners tune pianos by listening to the beats...Ch. 16 - A flutist assembles her flute in a room where the...Ch. 16 - Prob. 69GPCh. 16 - A Doppler blood flowmeter emits ultrasound at a...Ch. 16 - An ultrasound unit is being used to measure a...Ch. 16 - Prob. 72MSPPCh. 16 - Prob. 73MSPPCh. 16 - Prob. 74MSPPCh. 16 - Prob. 75MSPP
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- A transverse wave travels across a string having a linear mass density 0.068 kg/m. The wavelength of the wave is measured to be 0.666 m and the frequency is 50.7 Hz. What is the tension in the string?arrow_forwardA string of length 0.25 m has a mass per unit length of 0.040 kg/m. The frequency third harmonic of the string is 330 Hz. What is the tension in the string?arrow_forwardThe tension in a string with a linear mass density of 0.0010 kg/m is 0.40 N. A sinusoidal wave with a wavelength of 20 cm on this string. What is the frequency?arrow_forward
- Professor Dee is studying standing waves in his lab. He takes a tube open at one end that produces a standing wave with a fundamental frequency of 685Hz when the temperature is -5.00°C, what is the length of the tube in meters?arrow_forwardA wave of frequency 100Hz travels along a string towards its fixed end. When this wave travels back, after reflection, a node is formed at a distance of 10cm from the fixed end. The speed of the wave (incident and reflected) is?arrow_forwardA string with a linear density of 10 kg/m is stretched to a length of 1.1 meters and fastened at both end so that it can freely vibrate. The tension on the string is 2000 Newtons.At what speed would a wave propagate on this string?arrow_forward
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