Question

Melde’s Lab

2. Assuming that the measurement of both values of u using the analytical balance are the true values, calculate a% error for each of your experimental (standing wave) values of u and enter your results in the spaces below. Results %error : kg/m %error kg/m

Answer 1

for sting 2 results looks normal. But for string 1 error is so high. I am not sure if the data provided s correct. please check it again.

node (n) length(d) freq(f) 1 0.35227.81 2 0.52537.01 1 0.37530.93 2 0.542 42.16 1 0.39334.64 2 0.585 41.46 1 0.385 2 0.58553.67 mass(m) λ-2d/nv-A T-mg -T/VY 0.150.704 19.5782 0.150525 19.4303 0.75 23.1975 0.2 0.542 22.8507 0.250.78627.227 0.250585 24.2541 0.77 30.723 0.3 0.585 31.397 1.47 0.00384 1.47 0.00389 1.96 0.00364 1.96 0.00375 2.45 0.0033 2.45 0.00416 2.94 0.00311 2.94 0.00298 0.003 1.47 0.00069 1.47 0.00101 1.96 0.00075 1.96 0.00074 2.45 0.00106 2.45 0.00074 2.94 0.00072 2.94 0.00076 avareta 0.00081 0.05573 direct measurement 0.00359 from standing wave 0.2 % error- 93.5647 39.9 0.3 avg 49 2 0.68355.84 0.45 56.64 0.6776.92 53.9 2 0.67185.61 1 0.45470.22 2 0.67591.91 0.47 0.15 0.9446.06 0.150.683 38.1387 0.9 50.976 0.67 51.5364 0.89 47.971 0.250.67157.4443 0.908 63.7598 0.3 0.675 62.0393 0.00071 direct measurement 0.00081 from standing wave 0.2 0.2 0.25 1 0.445 14.2254 error 0.3