PHYS 212 Lecture 9: Physics 212- Chapter 27

The mass in the figure slides on a frictionless surface. If m = 2 kg, k₁ = 800 N/m and k₂ = 500 N/m, the frequency of oscillation (in Hz) is

approximately:

A) 2

B) 4

C) 6

D) 8

E) 10

The distance from the peak to a peak of successive waves traveling along a string is 2m. If the frequency of this wave is 4 Hz. What is the speed of the wave?

(a) 4 m/s

(b) 1 m/s

(c) 8 m/s

(d) 2 m/s

(e) impossible to answer from the information given