Question

I need help with part A, string lengths/weights and frequency is here

.88089 3=82.1 inch, 44129 A-c L=600 = 1.524m String1- 86.53 inch, 1.839 String 2= 82.3 inch, String String 4 = 80.6 inch, 22199 Vibrating String Experiment Objective To study the factors affecting the velocity of waves in a stretched string, Apparatus Linear transducer, function generator, string, meter stick, mis set, table clamp with pulley. Optional: strobe light. Part A Attach one end of a string to the motor and pass the other end of the string over a polley about 1.5 m away. Set the frequency to 120 Hz. Refer to the figure below to make sure the orientation of the motor is correct. Set the frequency generator amplitude to the 9 o'clock position (about 30% maximum). Do not set the frequency generator amplitude above 30% or else the transducer might drift around the table top. Set the hanging me to 50 & and adjust the frequency until you get a I wavelength pattern with maximum amplitude. Repeat this procedure, adding 50 grams to the hanger each time, up to a maximum of 300 Compare the experimental and theoretical values of velocity of the waves for each different string tension. Theory: = Experiment: Plot a graph of va vs. T and show that in theory the slope of this graph should be 1/mu. Compare the two values of the one obtained from the graph and the other from weighing the string on a balance and dividing by the length of the string Plot a graph of us. T. We can rewrite our equation for the speed of the wave The slope of the graph should be 1/. Compare the two values of the one obtained from the graph and the other from weighing the string on a balance and dividing by the length of the string

update on lab

Answer 1

Mass (m) = ? We know that Velouty of Transverse one on a a string : and v=xf 키 where I is Tension in the string mass perunit length v () 02 *: ()T ® If we draw a graph of (Along yaxix) x-axis) it should be a straight line following the eqh of straight line y me and is the slope and T (along 1: u slope u ㅋ Mass perunit length is given by Reciprocal of slope. ® In procedure it is given we have x=1m so Vs (l) f V2 (m/s) 22: 64 Trial mass (kg) f(Hz) 0.0SO 16.31 0.100 2 3 0. 150 27.55 4 0.200 31.79 0.300 38.94 v(ml) T(N) 16.31 0:49 2264 0.98 27.55 1.45 3179 1.96 88.94 2.94 266.02 S12 St 759.00 S: lolo.60 1516.32

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