PASCO WA-9867 Sine Wave Generator - Manual (Page 28)

Sine Wave Generator Teachers’ Notes–Standing Waves in Strings
28 ®
Elastic Cord
Minimum Slope = 5890 Hz
2
/kg
% Deviation = 2%
String
m
(kg)
f
(Hz)
f 2
(Hz
2
)
0.055 19.3 372
0.105 25.7 660
0.155 31.0 961
0.205 36.3 1318
0.255 42.7 1823
0.310 49.4 2440
0.360 55.4 3069
Density
µ
4 9.8 m/s
2
 
 
5890 Hz
2
/kg
 
  1.23 m
( ) 2
------------------------------------------------------------- 4.4 10
3 – ×
kg/m 4.4 g/m = = = =
Actual Density (unstretched)
5.58 g
1.3 m
------------------ 4.3 g/m = =