The effect that happens when two pulses overlap to each other.

Question

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Answer 1

Question

Chapter 18, Problem 18.1QQ

To determine

The effect that happens when two pulses overlap to each other.

Expert Solution & Answer

Answer to Problem 18.1QQ

Option (c) the string forms a straight line.

Explanation of Solution

When two pulses travel in the opposite direction then the pulses cancel each other in terms of displacement of elements of the string from equilibrium, but the string is still moving. A short time later, a string will displaced again and the pulses will have passed each other and forms a straight line.

Thus, the string forms a straight line when two pulses completely overlap on the string.

Conclusion:

If string movement is zero and pulses cancel to each other then energy associated with pulses disappeared, which is contradictory. Thus, option (a) is incorrect.

When two pulses does not travel in the opposite direction on the string then string will not move, which is not the case. Thus, option (b) is incorrect.

The string forms a straight line because pulses continues pass each other Thus, option (c) is correct.

When the two pulses overlap in equilibrium condition and after that string does not move then pulses have vanished and will not reappear, which is contradictory. Thus, option (d) is incorrect.

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Students have asked these similar questions

Two pulses move in opposite directions on a string and are identical in shape and size except that one has positive displacements of the elements of the string and the other has negative displacements. At the moment the two pulses completely overlap on the string, what happens? (a) The energyassociated with the pulses has disappeared. (b) The string is not moving. (c) The string forms a straight line. (d) The pulses have vanished and will not reappear.

Two pulses move in opposite directions on a string and are identical in shape except that one has positive displacements of the elements of the string and the other has negative displacements. Which of the following is true at the moment that the two pulses completely overlap on the string? The string is not moving.The string forms a straight line. The pulses have vanished and will not reappear.The energy associated with the pulses has disappeared.

Two identical sinusoidal waves with wavelengths of 1.5 m travel in the same direction at a speed of 20 m/s. If the two waves originate from the same starting point, but with time delay ∆t between them, and with resultant amplitude A_resultant = √3 A then ∆t will be equal to: 0.00625 sec 0.0125 sec 0.025 sec 0.01 sec 0.005 sec

Answer 2

Question

Chapter 18, Problem 18.1QQ

To determine

The effect that happens when two pulses overlap to each other.

Expert Solution & Answer

Answer to Problem 18.1QQ

Option (c) the string forms a straight line.

Explanation of Solution

When two pulses travel in the opposite direction then the pulses cancel each other in terms of displacement of elements of the string from equilibrium, but the string is still moving. A short time later, a string will displaced again and the pulses will have passed each other and forms a straight line.

Thus, the string forms a straight line when two pulses completely overlap on the string.

Conclusion:

If string movement is zero and pulses cancel to each other then energy associated with pulses disappeared, which is contradictory. Thus, option (a) is incorrect.

When two pulses does not travel in the opposite direction on the string then string will not move, which is not the case. Thus, option (b) is incorrect.

The string forms a straight line because pulses continues pass each other Thus, option (c) is correct.

When the two pulses overlap in equilibrium condition and after that string does not move then pulses have vanished and will not reappear, which is contradictory. Thus, option (d) is incorrect.

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Answer 3

Question

Chapter 18, Problem 18.1QQ

To determine

The effect that happens when two pulses overlap to each other.

Expert Solution & Answer

Answer to Problem 18.1QQ

Option (c) the string forms a straight line.

Explanation of Solution

When two pulses travel in the opposite direction then the pulses cancel each other in terms of displacement of elements of the string from equilibrium, but the string is still moving. A short time later, a string will displaced again and the pulses will have passed each other and forms a straight line.

Thus, the string forms a straight line when two pulses completely overlap on the string.

Conclusion:

If string movement is zero and pulses cancel to each other then energy associated with pulses disappeared, which is contradictory. Thus, option (a) is incorrect.

When two pulses does not travel in the opposite direction on the string then string will not move, which is not the case. Thus, option (b) is incorrect.

The string forms a straight line because pulses continues pass each other Thus, option (c) is correct.

When the two pulses overlap in equilibrium condition and after that string does not move then pulses have vanished and will not reappear, which is contradictory. Thus, option (d) is incorrect.

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Answer 4

Question

Chapter 18, Problem 18.1QQ

To determine

The effect that happens when two pulses overlap to each other.

Expert Solution & Answer

Answer to Problem 18.1QQ

Option (c) the string forms a straight line.

Explanation of Solution

When two pulses travel in the opposite direction then the pulses cancel each other in terms of displacement of elements of the string from equilibrium, but the string is still moving. A short time later, a string will displaced again and the pulses will have passed each other and forms a straight line.

Thus, the string forms a straight line when two pulses completely overlap on the string.

Conclusion:

If string movement is zero and pulses cancel to each other then energy associated with pulses disappeared, which is contradictory. Thus, option (a) is incorrect.

When two pulses does not travel in the opposite direction on the string then string will not move, which is not the case. Thus, option (b) is incorrect.

The string forms a straight line because pulses continues pass each other Thus, option (c) is correct.

When the two pulses overlap in equilibrium condition and after that string does not move then pulses have vanished and will not reappear, which is contradictory. Thus, option (d) is incorrect.

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Answer 5

Chapter 18, Problem 18.1QQ

To determine

The effect that happens when two pulses overlap to each other.

Expert Solution & Answer

Answer to Problem 18.1QQ

Option (c) the string forms a straight line.

Explanation of Solution

When two pulses travel in the opposite direction then the pulses cancel each other in terms of displacement of elements of the string from equilibrium, but the string is still moving. A short time later, a string will displaced again and the pulses will have passed each other and forms a straight line.

Thus, the string forms a straight line when two pulses completely overlap on the string.

Conclusion:

If string movement is zero and pulses cancel to each other then energy associated with pulses disappeared, which is contradictory. Thus, option (a) is incorrect.

When two pulses does not travel in the opposite direction on the string then string will not move, which is not the case. Thus, option (b) is incorrect.

The string forms a straight line because pulses continues pass each other Thus, option (c) is correct.

When the two pulses overlap in equilibrium condition and after that string does not move then pulses have vanished and will not reappear, which is contradictory. Thus, option (d) is incorrect.

Answer 6

Chapter 18, Problem 18.1QQ

To determine

The effect that happens when two pulses overlap to each other.

Expert Solution & Answer

Answer to Problem 18.1QQ

Option (c) the string forms a straight line.

Explanation of Solution

When two pulses travel in the opposite direction then the pulses cancel each other in terms of displacement of elements of the string from equilibrium, but the string is still moving. A short time later, a string will displaced again and the pulses will have passed each other and forms a straight line.

Thus, the string forms a straight line when two pulses completely overlap on the string.

Conclusion:

If string movement is zero and pulses cancel to each other then energy associated with pulses disappeared, which is contradictory. Thus, option (a) is incorrect.

When two pulses does not travel in the opposite direction on the string then string will not move, which is not the case. Thus, option (b) is incorrect.

The string forms a straight line because pulses continues pass each other Thus, option (c) is correct.

When the two pulses overlap in equilibrium condition and after that string does not move then pulses have vanished and will not reappear, which is contradictory. Thus, option (d) is incorrect.

Answer 7

Chapter 18, Problem 18.1QQ

To determine

The effect that happens when two pulses overlap to each other.

Answer 8

Expert Solution & Answer

Answer to Problem 18.1QQ

Option (c) the string forms a straight line.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Explanation of Solution

When two pulses travel in the opposite direction then the pulses cancel each other in terms of displacement of elements of the string from equilibrium, but the string is still moving. A short time later, a string will displaced again and the pulses will have passed each other and forms a straight line.

Thus, the string forms a straight line when two pulses completely overlap on the string.

Conclusion:

If string movement is zero and pulses cancel to each other then energy associated with pulses disappeared, which is contradictory. Thus, option (a) is incorrect.

When two pulses does not travel in the opposite direction on the string then string will not move, which is not the case. Thus, option (b) is incorrect.

The string forms a straight line because pulses continues pass each other Thus, option (c) is correct.

When the two pulses overlap in equilibrium condition and after that string does not move then pulses have vanished and will not reappear, which is contradictory. Thus, option (d) is incorrect.

Answer 12

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The effect that happens when two pulses overlap to each other.

Concept explainers

The effect that happens when two pulses overlap to each other.

Answer to Problem 18.1QQ

Explanation of Solution

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Chapter 18 Solutions