Question

A stretched string fixed at each end has a mass of 47.0 g and a length of 7.40 m. The tension in the string is 45.0 N.

a) Determine the positions of the nodes and antinodes for the third harmonic. (Enter your answers from smallest to largest distance from one end of the string.)

Nodes: in m

1)

2)

3)

4)

Antinodes: in m

1)

2)

3)

b)What is the vibration frequency for this harmonic in Hz?

Answer 1

A stretched string fixed at each end has a mass of 47.0 g and a length of 7.40 m. The tension in the string is 45.0 N. a) Determine the positions of the nodes and antinodes for the third harmonic. (Enter your answers from smallest to largest distance from one end of the string.) Nodes: in m 1) 2) 3) 4) Antinodes: in m 1) 2) 3) b)What is the vibration frequency for this harmonic in Hz? liven T=45N N= 47 X1033 = N= 6.35 x10-3 Antinades 7.4 Kyling Nodes => 31 12 7.4 => >= 4.93 m Do 2 2) a 2 = = 2.47 m = 1.2325 in 2) 3) = 3.7m 슬기 3) X= 4.9371 4) 37 7.4in 311 2 Ionades VK 3) SA = 6-1625m J. Antrinodes b) f:V > Y V: [1-13 V 45 *V= 84-2 mis => f = 84.2 여 If=17-143 6-3561003 4.93