hi can someone please help me with this chart, I am not too sure if the numbers are right, if not feel free to change them.

I really need help with this chart filled out, please please I am not too sure how to do it, if I am missing something please let me know

I will even rate your answer :)

Data Table 1 + Part I Observing Standing Waves on the First String Measured mass of 1.1 Calculated mass per the length of first unit length, m, of first string [kg] string [kg/m] Measured length of 266 cm Length of String first string used to Or 0.266 (pulley to pulley) [m] determine the mass m [m] Trial Total Tension, T velocity, Length, L, Wavelength, Frequency, hanging = mg [N] v [m/s] of one 1= 2L [m] (or f = lv [Hz] mass, m standing as noted if [kg] wave different) loop (determined using scale) [m] 1 st 4- 0.1119 1.10 1.78 3.56 washers 2nd 8- 0.220 2.16 0.98 1.96 washers 3rd 12- 0.328 3.21 0.61 1.22 washers 4th 16- 0.431 4.22 0.43 0.86 washers Average Wavelength, I [m]