Linear Fit for Data Set frequency m Slope 45502086 b YInter

Linear Fit for Data Set | frequency m (Slope): 45.50+/-2.086 b (Y-Intercept): 8.000 +/-5.712 Correlation: 0.9979

Solution

if the no of antinodes is 4 then

Wavelength = (2/4)*L

frequency given for this=193 Hz

so the speed is =193* (2/4)*0.32= 30.880 m/sec

if the no of antinodes is 3 then Wavelength = (2/3)*L

frequency=142hz

so speed= 142* (2/3)* 0.32= 30.2933 m/sec