## (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

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

(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

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

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

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

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

4.

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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