Answer:
Step-by-step explanation:
The fundamental mode of the standing wave in string is expressed as;
fo
F = V/2L where;
V is the speed of the transverse wave
L is the length of the string
Given
V = 40.0m/s
L = 2.00m
F = 40.0/2(2)
F = 40/4
F = 10Hertz
Hence the fundamental mode of the standing wave is 10Hz
Overtone/harmonics are integral multiples of the fundamental frequency.
Note that 1st overtone is also called second harmonic
Second harmonic
First overtone F1 = 2F
Second overtone/Third harmonics = 3F
First overtone F1 = 2*10
First overtone = 20Hz
3rd harmonic = 3*10
3rd harmonic = 30Hz