Author Question: Drummers like to have high-pitched cymbals that vibrate at high frequencies. To obtain the highest ... (Read 152 times)

123654777 · **on:** Jul 28, 2018

Drummers like to have high-pitched cymbals that vibrate at high frequencies. To obtain the highest frequencies, a cymbal of a fixed size should be made of a material
a. with a low Young's modulus and a low density.
b. with a low Young's modulus and a high density.
c. with a high Young's modulus and a low density.
d. with a high Young's modulus and a high density.
e. composed of a metal-plastic laminate.

Question 2

A harmonic longitudinal wave propagating down a tube filled with a compressible gas has the form s(x, t) = sm cos (kx t). Its velocity can be obtained from
a. /k
b. k/
c. k
d.
e. k