Two wave pulses are heading toward
Two wave pulses are heading toward each other on a string. One pulse is "up" and the other is the exact same shape, inverted (i.e. "down"). At the moment the pulses cross the string is perfectly horizontal. What happened to the energy in the wave?
Homework Answers
Destructive interference occurs when waves come together in such a way that they completely cancel each other out. When two waves interfere destructively, they must have the same amplitude in opposite directions.
In the above case, there is no net displacement at all because two opposite displacements cancel out (Perfectly Horizontal). However, velocities add up and are twice as large, meaning that all the energy at that moment is stored within kinetic energy.
Two wave pulses are heading toward each other on a string. One pulse is "up" and...
Two wave pulses are heading toward each other on a string. One pulse is "up" and the other is the exact same shape, inverted (i.e. "down"). At the moment the pulses cross the string is perfectly horizontal. What happened to the energy in the wave?
Two wave pulses travel on a string toward each other. The wave pulses can be described...
Two wave pulses travel on a string toward each other. The wave pulses can be described as y1 = 5/(((kx − ωt)^2) 2) and y2 = −5/(((kx + ωt − 6)2 )+2)' , where k = 1 rad/m and ω = 8 rad/s. At what instant do the two cancel everywhere? (Assume x is in meters and t is in seconds.) ???s At what point do the two pulses always cancel? ???m
previous b of 2 Exercise 15.33 Two triangular wave pulses are traveling toward each other on...
previous b of 2 Exercise 15.33 Two triangular wave pulses are traveling toward each other on a stretched string as shown in the figure (Figure 1) Each pulse is identical to the other and travels at 2.00 cm/s. The leading edges of the pulses are 1.00 cm apart at t 0. Figure 1 of 1 200 cm/s, e 000 en cm 00 cm 00 00 cm 1.00 1.00 cm 00 an e 200 cm/s Part A sketch the shape of...
When transverse positive and negative pulses that have the same symmetric shape and size but travel...
When transverse positive and negative pulses that have the same symmetric shape and size but travel in opposite directions meet, is it necessary that there be a moment when the string or wire on which they move is flat? If so, how do the pulses "know" to continue moving on the string? Two people on each end of a long rope send off a wave pulse. If both wave pulses are on the same side of the rope, describe what...
When transverse positive and negative pulses that have the same symmetric shape and size but travel...
When transverse positive and negative pulses that have the same symmetric shape and size but travel in opposite directions meet, is it necessary that there be a moment when the string or wire on which they move is flat? If so, how do the pulses "know" to continue moving on the string? Two people on each end of a long rope send off a wave pulse. If both wave pulses are on the same side of the rope, describe what...
D Question 15 3.5 pts The figure above shows two separate wave pulses that are approaching...
D Question 15 3.5 pts The figure above shows two separate wave pulses that are approaching each other, with their centers labeled X and Y. Which of the following figures shows the shape of the resultant pulse when the centers of the pulses are at the same horizontal position? O
Consider two identical and symmetrical wave pulses on a string. Suppose the first pulse reaches the...
Consider two identical and symmetrical wave pulses on a string. Suppose the first pulse reaches the fixed end of the string and is reflected back and then meets the second pulse. When the two pulses overlap exactly, the superposition principle predicts that the amplitude of the resultant pulses, at that moment, will be what factor times the amplitude of one of the original pulses? 0 1 -2 -1
A group of students must design an experiment to determine how the amplitude of a resultant...
A group of students must design an experiment to determine how
the amplitude of a resultant wave pulse changes when two individual
wave pulses combine so that destructive interference is observed.
Both wave pulses travel toward each other. How should the students
produce the individual wave pulses so that total destructive
interference occurs.
A group of students must design an experiment to determine how the amplitude of a resultant wave pulse changes when two individual wave pulses combine so that...
A group of students must design an experiment to determine how the amplitude of a resultant...
A group of students must design an experiment to determine how the amplitude of a resultant wave pulse changes when two individual wave pulses combine so that destructive interference is observed. Both wave pulses travel toward each other. How should the students produce the individual wave pulses so that total destructive interference occurs? Each wave pulse should have the opposite vertical orientation with respect to the equilibrium position of string and have the same amplitude. Each wave pulse should have...
The wave pulses, and shown above are moving toward each other in the same medium. Which...
The wave pulses, and shown above are moving toward each other in the same medium. Which of the following interference patterns could resultat some instant as the pulses pass through each other? 19. A. I only C. I and III only E. I, II, and III B. II only D. II and III only A simple pendulum consisting of a small object of mass m attached to a string of length l has a period T. A pendulum with which...
previous b of 2 Exercise 15.33 Two triangular wave pulses are traveling toward each other on a stretched string as shown in the figure (Figure 1) Each pulse is identical to the other and travels at 2.00 cm/s. The leading edges of the pulses are 1.00 cm apart at t 0. Figure 1 of 1 200 cm/s, e 000 en cm 00 cm 00 00 cm 1.00 1.00 cm 00 an e 200 cm/s Part A sketch the shape of...
D Question 15 3.5 pts The figure above shows two separate wave pulses that are approaching each other, with their centers labeled X and Y. Which of the following figures shows the shape of the resultant pulse when the centers of the pulses are at the same horizontal position? O
A group of students must design an experiment to determine how
the amplitude of a resultant wave pulse changes when two individual
wave pulses combine so that destructive interference is observed.
Both wave pulses travel toward each other. How should the students
produce the individual wave pulses so that total destructive
interference occurs.
A group of students must design an experiment to determine how the amplitude of a resultant wave pulse changes when two individual wave pulses combine so that...
A group of students must design an experiment to determine how the amplitude of a resultant wave pulse changes when two individual wave pulses combine so that destructive interference is observed. Both wave pulses travel toward each other. How should the students produce the individual wave pulses so that total destructive interference occurs? Each wave pulse should have the opposite vertical orientation with respect to the equilibrium position of string and have the same amplitude. Each wave pulse should have...
The wave pulses, and shown above are moving toward each other in the same medium. Which of the following interference patterns could resultat some instant as the pulses pass through each other? 19. A. I only C. I and III only E. I, II, and III B. II only D. II and III only A simple pendulum consisting of a small object of mass m attached to a string of length l has a period T. A pendulum with which...
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