Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Question
Chapter 23.2, Problem 2bTH
To determine
Whether reflection between springs at the boundary is more like a reflection from a fixed end or reflection from the free end.
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Students have asked these similar questions
Below is a snapshot of two sources of circular wave crests in two dimensions, a blue source and a red source. Each wave has an amplitude of 5 cm and the same wavelength. What is
the net displacement of the medium at the labelled points a, b, and c?
b.
a
Problems 8, 9, & 10 refer to the 60 cm string, driven by a
variable motor, portrayed in the figure on the right. When
the motor drives the system at 45 Hz, the string creates the
boel
standing wave pattern shown.
60 cm
8. What is the wave speed for this medium?
А. 60 m/s B. 48 m/s
C. 30 m/s D. 18 m/s
8.
9. At what frequency should the motor be set to create a standing wave pattern with 5 anti-nodes (5
footballs)?
А. 5 Hz
В. 15 Hz
С. 75 Hz
D. 90 Hz
9.
10. By what factor should the tension in the string be increased in order to see only one football on the
string (when driven at the same 45 Hz)?
А. 3
В. 9
С. 1/3 D. 1/9
10.
Problem
Below is a diagram showing the position of various particles as a longitudinal wave passes through them. Although the diagram only shows one wave, there are a series of identical waves passing through these particles. The waves are moving to the RIGHT.
1. At the moment shown, which points are moving to the right? Choose all that apply.
A B C D
E F
GHI
X
2. At the moment shown, which points are moving to the left? Choose all that apply.
ABCDEFGHI
✔✔✔✔0
3. At the moment shown, which points are at the amplitude? Choose all that apply.
A B C D E F G H I
00-000-00
4. At the moment shown, which points are at equilibrium? Choose all that apply.
A B C D E F G H I
✔000✔000✔
A
Identify which of the particles are moving left, which are moving right, which are at rest, and which are moving the fastest. [To do this, I'd recommend going to this LONGITUDINAL WAVE website. It has a simple applet that allows you to observe the motion of individual particles as a
longitudinal wave passes through…
Chapter 23 Solutions
Tutorials in Introductory Physics
Ch. 23.1 - Prob. 1THCh. 23.1 - In the spaces provided belowright, carefully draw...Ch. 23.1 - Prob. 2bTHCh. 23.1 - We begin by considering the forces exerted on a...Ch. 23.1 - Prob. 3bTHCh. 23.1 - Prob. 3cTHCh. 23.1 - Prob. 3dTHCh. 23.1 - Prob. 3eTHCh. 23.1 - Prob. 4THCh. 23.2 - Prob. 1TH
Ch. 23.2 - Prob. 2aTHCh. 23.2 - Prob. 2bTHCh. 23.2 - Prob. 2cTHCh. 23.2 - Prob. 3aTHCh. 23.2 - Prob. 3bTHCh. 23.2 - Prob. 3cTHCh. 23.2 - The figure at right has several errors. How many...Ch. 23.3 - Prob. 1aTHCh. 23.3 - Prob. 1bTHCh. 23.3 - Prob. 1cTHCh. 23.3 - For each of the periodic functions below, indicate...Ch. 23.3 - Prob. 2THCh. 23.3 - Use trigonometry to determine the mathematical...Ch. 23.3 - Starting from the equation that you wrote above,...Ch. 23.3 - Suppose the speed of the refracted wave were half...Ch. 23.3 - Prob. 3dTHCh. 23.4 - A long, thin steel wire is cut in half, and each...Ch. 23.4 - A long, thin steel wire is cut in half, and each...Ch. 23.4 - A long, thin steel wire is cut in half, and each...Ch. 23.4 - Consider an instant when the fields are nonzero at...Ch. 23.4 - How would your answers to parta be different if...Ch. 23.4 - Prob. 3TH
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