Model No. WA-9867
Sine Wave Generator
27
®
Experiment 1:
Teachers’ Notes–Standing Waves in Strings
String
Slope = 97900 Hz
2
/kg
% Deviation = 2%
Cord
Slope = 22400 Hz
2
/kg
% deviation = -2%
String
Cord
m
(kg)
f
(Hz)
f
2
(Hz
2
)
f
(Hz)
f
2
(Hz
2
)
0.055
74.1
5491
34.8
1211
0.105
102.1
10424
48.2
2323
0.155
124.1
15401
58.9
3469
0.205
142.2
20221
67.7
4583
0.255
158.3
25059
75.4
5685
Density
µ
4 9.8 m/s
2
97900 Hz
2
/kg
1.23 m
(
)
2
----------------------------------------------------------------
2.65
10
4
–
×
kg/m
0.265 g/m
=
=
=
=
Actual Density
1.58 g
6.09 m
-------------------
0.259 g/m
=
=
Density
µ
4 9.8 m/s
2
22400 Hz
2
/kg
1.23 m
(
)
2
----------------------------------------------------------------
1.16
10
3
–
×
kg/m
1.16 g/m
=
=
=
=
Actual Density
2.36 g
2.00 m
---------------------
1.18 g/m
=
=
Summary of Contents for WA-9867
Page 14: ...Sine Wave Generator Applications 14 ...
Page 26: ...Sine Wave Generator Resonance Tubes 26 ...
Page 32: ......