1.
|
|
The unit for the spring constant is
|
| Nm |
| J |
| Ns |
| N/m |
|
2.
|
|
The unit for the period is
|
| s |
| /s |
| m*s |
| T |
|
3.
|
|
The unit for frequency is
|
| s |
| s2 |
| /m |
| Hz |
|
4.
|
|
The unit for wavelength is
|
| /m |
| m/s |
| m |
| m*s |
|
5.
|
|
The unit for the product of wavelength and frequency is
|
| m*s |
| Hz |
| s/m |
| m/s |
|
6.
|
|
The amplitude of the wave in the figure is
|
| 2 m |
| 4 m |
| 6 m |
| 8 m |
|
7.
|
|
The wavelength is
|
| 2 m |
| 4 m |
| 6 m |
| Cannot be determined from the given information. |
|
8.
|
|
The frequency of the wave is
|
| .5 Hz |
| 1 Hz |
| 2 Hz |
| 4 Hz |
|
9.
|
|
A stretched spring, fixed at both ends, vibrates at a frequency of 12 Hz with a standing transverse wave pattern as shown. What is this spring's fundamental frequency?
|
| 36 Hz |
| 16 Hz |
| 8 Hz |
| 4 Hz. |
|
10.
|
|
A stretched spring, fixed at both ends, vibrates at a frequency of 12 Hz with a standing transverse wave pattern as shown. What would be the frequency of the first overtone?
|
| 36 Hz |
| 16 Hz |
| 8 Hz |
| 4 Hz |
|
11.
|
|
A stretched spring, fixed at both ends, vibrates at a frequency of 12 Hz with a standing transverse wave pattern as shown. If the string is 5 meters long, what is the wave velocity?
|
| 60 m/s |
| 40 m/s |
| 20 m/s |
| 10 m/s |
|
12.
|
|
If a string has a wave speed of 200 m/s and a mass per length ratio of 1.2 g/m, what is the tension?
|
| 48000 N |
| 48 N |
| 240 N |
| .24 N |
|
13.
|
|
A stretched cord has a fundamental frequency of 144 Hz, a length of .9 m, and a mass of 2 g. What is its wave speed?
|
| 259 m/s |
| 130 m/s |
| 65 m/s |
| 1037 m/s |
|
14.
|
|
A stretched cord has a fundamental frequency of 144 Hz, a length of .9 m, and a mass of 2 g. What is the tension on the cord?
|
| 29 N |
| 79 N |
| 149 N |
| Not enough information is given. |
|
15.
|
|
The animation shows the Tacoma Narrows Bridge (see Online Destinations) shortly before its collapse. What is its frequency?
|
| .1 Hz |
| .25 Hz |
| .50 Hz |
| 1 Hz |
|
16.
|
|
The animation shows the Tacoma Narrows Bridge (see Online Destinations) shortly before its collapse. The distance between the bridge towers (nodes) was about 860 meters and there was also a midway node. What was the wavelength of the standing torsional wave?
|
| 1720 m |
| 860 m |
| 420 m |
| There is no way to tell. |
|
17.
|
|
The animation shows the Tacoma Narrows Bridge (see Online Destinations) shortly before its collapse. What is the amplitude?
|
| .4 m |
| 4 m |
| 8 m |
| 14 m |
|
18.
|
|
The picture shows two moving triangular waves.The scale shown at the bottom holds for the vertical scale, also. What is the wavelength of the black wave?
|
| 2 cm |
| 4 cm |
| 6 cm |
| 8 cm |
|
19.
|
|
The picture shows two moving triangular waves.The scale shown at the bottom holds for the vertical scale, also. What is the frequency of the black wave?
|
| .13 Hz |
| .25 Hz |
| .33 Hz |
| .5 Hz |
|
20.
|
|
The picture shows two moving triangular waves.The scale shown at the bottom holds for the vertical scale, also. What is the frequency of the red wave?
|
| .13 Hz |
| .25 Hz |
| .33 Hz |
| .5 Hz |
|
21.
|
|
The picture shows two moving triangular waves.The scale shown at the bottom holds for the vertical scale, also. What is the velocity of the black wave?
|
| .5 cm/s |
| 1 cm/s |
| 1.5 cm/s |
| 2 cm/s |
|
22.
|
|
The picture shows two moving triangular waves.The scale shown at the bottom holds for the vertical scale, also. What is the velocity of the red wave?
|
| .25 cm/s |
| .5 cm/s |
| 1.5 cm/s |
| 2 cm/s |
|
23.
|
|
The picture shows two moving triangular waves.The scale shown at the bottom holds for the vertical scale, also. What is the amplitude of the red wave?
|
| 1 cm |
| 2 cm |
| 3 cm |
| 4 cm |
|
24.
|
|
If the effective spring constant of a 2000 kg older car (with poor shocks) is 60000 N/m, what is the period of its vibration after hitting a bump?
|
| .15 s |
| .5 s |
| 1.15 s |
| 2 s |
|
25.
|
|
What is the effective spring constant of a 10 kg, 1.5 m simple pendulum?
|
| 6.5 N |
| 98 N |
| 9.8 N |
| 65 N/m |
