Question 1

For the wave described by  
,determine the first positive x coordinate where y is a maximum when t = 0.

Accepted Answer

A) 16 m 
B) 8 m 
C) 4 m 
D) 2 m 
E) 13 m 
A) 16 m 
B) 8 m 
C) 4 m 
D) 2 m 
E) 13 m

Question 2

The wave equation is written down in an exam as  
From dimensional considerations we see that

Accepted Answer

A) v2 should be replaced by   . 
B) v2 should be replaced by   . 
C) v2 should be replaced by v. 
D) v2 should be replaced by   . 
E) v2 should be replaced by   . 
A) v2 should be replaced by   . 
B) v2 should be replaced by   . 
C) v2 should be replaced by v. 
D) v2 should be replaced by   . 
E) v2 should be replaced by   .

Question 3

Exhibit 16-2
The figure below shows a sine wave on a string at one instant of time.   Use this exhibit to answer the following question(s).
-Refer to Exhibit 16-2.Which of the graphs below shows a wave where the wavelength is twice as large?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 4

Find the period of a wave of 100-m wavelength in deep water where  
)

Accepted Answer

A) 5.0 s 
B) 8.0 s 
C) 12.5 s 
D) 15 s 
E) 0.125 s 
A) 5.0 s 
B) 8.0 s 
C) 12.5 s 
D) 15 s 
E) 0.125 s

Question 5

A pulse is described by  
In SI units.What is the velocity of the pulse?

Accepted Answer

A) 3 m/s in the +x direction 
B) 2 m/s in the −x direction 
C) 2 m/s in the +x direction 
D) 4 m/s in the −x direction 
E) 4 m/s in the +x direction 
A) 3 m/s in the +x direction 
B) 2 m/s in the −x direction 
C) 2 m/s in the +x direction 
D) 4 m/s in the −x direction 
E) 4 m/s in the +x direction

Question 6

If the breakers at a beach are separated by 5.0 m and hit shore with a frequency of 0.20 Hz,with what speed are they traveling?

Accepted Answer

The answer of If the breakers at a beach are...

Exam 16: Wave Motion

For the wave described by ,determine the first positive x coordinate where y is a maximum when t = 0.

The wave equation is written down in an exam as From dimensional considerations we see that

Exhibit 16-2 The figure below shows a sine wave on a string at one instant of time. Use this exhibit to answer the following question(s). -Refer to Exhibit 16-2.Which of the graphs below shows a wave where the wavelength is twice as large?

Find the period of a wave of 100-m wavelength in deep water where )

A pulse is described by In SI units.What is the velocity of the pulse?

If the breakers at a beach are separated by 5.0 m and hit shore with a frequency of 0.20 Hz,with what speed are they traveling?

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