Author Question: A 60.0-cm long string with a mass 8.00 g has a tension 200 N. What is the fundamental frequency of ... (Read 70 times)

jhjkgdfhk · **on:** Jul 29, 2018

A 60.0-cm long string with a mass 8.00 g has a tension 200 N. What is the fundamental frequency of this string?

A)

38.7 Hz

B)

1500 Hz

C)

56.7 Hz

D)

102 Hz

E)

3.75 Hz

Question 2

Two traveling waves have the forms z1 = A sin(kx - t), z2 = A sin(kx + t ) Express their superposition in the form of a standing wave.

A)

2A cos(kx) cos( t )
B)

2A sin(kx) cos( t )
C)

2A sin(kx) sin( t )
D)

A sin(kx )2 - (t )2
E)

2A cos(kx) sin( t )