Why is this wrong? Wave frequencies

  • Thread starter 1MileCrash
  • Start date
  • #1
1,331
40

Homework Statement



Δp = (1.3 Pa) sin π[(3.00 m^-1)x - (300 s^-1)t].

Is the pressure of a wave.

Find frequency

Homework Equations





The Attempt at a Solution



Angular frequency = 300s^-1 = 300 hertz.

Frequency = angular frequency / 2pi = 47.746

Someone, please explain how I managed to screw up that very simple equation.
 

Answers and Replies

  • #2
PeterO
Homework Helper
2,426
48

Homework Statement



Δp = (1.3 Pa) sin π[(3.00 m^-1)x - (300 s^-1)t].

Is the pressure of a wave.

Find frequency

Homework Equations





The Attempt at a Solution



Angular frequency = 300s^-1 = 300 hertz.

Frequency = angular frequency / 2pi = 47.746

Someone, please explain how I managed to screw up that very simple equation.
Can you explain what the red bit is all about.

[Note: it may be some modern technique, but I hate it when a formula substitution is full of individual units. Makes trying to read it next to impossible. Even if the formula you were about to substitute into was written first would be a help]
 

Related Threads on Why is this wrong? Wave frequencies

  • Last Post
Replies
4
Views
2K
  • Last Post
Replies
2
Views
1K
  • Last Post
Replies
7
Views
8K
Replies
4
Views
8K
Replies
6
Views
1K
  • Last Post
Replies
2
Views
1K
Replies
3
Views
1K
  • Last Post
Replies
5
Views
1K
Replies
1
Views
2K
Replies
2
Views
2K
Top