Drummers like to have high-pitched cymbals that vibrate at high ...

[123654777]

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

[katara]

Answer to Question 1

c

Answer to Question 2

a

[123654777]

TYSM

[robbielu01]

Gracias!