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(Answered)-1. Use the 5 N spring scale to determine the mass of the


I need some help answering the questions in the attachment dealing with wave frequency. Thank you.


1. Use the 5 N spring scale to determine the mass of the Slinky?. Record the mass in

 

Table 1.

 

2. Count the number of loops the Slinky? contains. Record this value in Table 1.

 

3. Calculate the mass per loop. Record this value in Table 1.

 

4. Use the distance marks for Procedure 1, give one end of the Slinky? to your

 

partner, and stretch it on the ground along the marked 2 m distance. Record the

 

length the Slinky? is stretched in Table 1. Try to hold as few of the coils at the end

 

of the Slinky? as possible.

 

5. Use the stopwatch to measure the time it takes for one transverse wave to return

 

after you send it down the Slinky?. Record the time it takes to make one round

 

trip in Table 2.

 

6. Repeat Step 4 four more times.

 

7. After your last trial, take the spring scale and measure the tension in the Slinky?

 

by hooking the spring scale on the end of the Slinky?. Record this value in Table 2

 

8. Now increase the tension by grabbing 20 coils and pulling them towards you.

 

9. Repeat Steps 4 and 6. Record these time values in Table 3. Be sure to hook all of

 

the coils at the end of the Slinky? with the spring scale.

 


 

Table 1

 

Slinky Mass

 

(kg)

 


 

Number of

 

Loops

 


 

Mass/Loop

 

(kg/loop)

 


 

Length (m)

 


 

0.22

 


 

81

 


 

0.0027

 


 

1.68

 


 

Table 2: Wave Time Measurements for Relaxed Slinky?

 

Trial

 


 

Tension Force (N)

 


 

1

 


 

0.98

 


 

1.4

 


 

2

 


 

1.03

 


 

1.4

 


 

3

 


 

0.95

 


 

1.4

 


 

4

 


 

1.01

 


 

1.4

 


 

5

 


 

PostLab

 


 

Time (s)

 


 

1.03

 


 

1.4

 


 

Table 3: Wave Time Measurements for Increased Tension

 

Slinky?

 

Time (s)

 


 

Tension Force (N)

 


 

1

 


 

0.80

 


 

1.7

 


 

2

 


 

0.76

 


 

1.7

 


 

3

 


 

0.85

 


 

1.7

 


 

4

 


 

0.89

 


 

1.7

 


 

5

 

Questions

 


 

Trial

 


 

0.75

 


 

1.7

 


 

1. Describe how the speed of the waves were affected by changing the amplitude

 

and frequency.

 


 

2. Compare the speed of the longitudinal waves to the speed of the transverse

 

waves. Explain your answer.

 


 

3. Use data from Table 1 and Table 2 to calculate the average time it took for the

 

wave to travel down and back. Use this time to calculate the average speed for

 

the traveling wave on the Slinky? for both situations. Fill in Table 4 with your

 

answers.

 


 

4. Calculate the wave speed using the formula for transverse waves. Fill in Table 4

 

with your answers.

 

5. Calculate a percent difference between your velocities and record them in Table

 

4.

 


 

Table 4: Slinky? Measurements

 

Trial

 


 

Velocity from Stopwatch

 

(m/s)

 


 

Velocity from Tension

 

and Mass Density (m/s)

 


 

Percent Difference (%)

 


 

6. Identify two sources of error in the experiment that could explain any percent

 

difference.

 


 

 


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