Author Question: Which of the following frequencies are higher harmonics of a string with fundamental frequency of ... (Read 71 times)

rosent76 · **on:** Jul 28, 2018

Which of the following frequencies are higher harmonics of a string with fundamental frequency of 150 Hz?
a)200 Hz
b)300 Hz
c)400 Hz
d)500 Hz
e)600 Hz

1.a
2.b and e
3.a, c, and e
4.d

Question 2

As an airplane flying with constant velocity moves from a cold air mass into a warm air mass, the Mach number
1.increases.
2.decreases.
3.remains the same.