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10:15 AM
@JohnRennie need help with part (b)!
How does one find relative angular speed? I'm doing it wrong...
 
The relative angular velocity is just $\omega_1 - \omega_2$
 
Thats not how the solution does it
They do it this way: $\Delta \omega = \frac {v_2 - v_1}{r_2 - r_1}$
Follow up question: Does the position of the two satellites matter when measuring relative angular velocity? I'm aware that position of the satellites is important when dealing with velocity, but what about angular velocity?
 
I guess the angular velocity is $\omega = \mathbf r \times \mathbf v/|r|^2$
Where $\mathbf r = \mathbf r_1 - \mathbf r_2$ and $\mathbf v = \mathbf v_1 - \mathbf v_2$.
 
hmm..
and $ r x v $ is just $ rvsin(90)$ = $rv$
since, both the satellites are at their closest position, $r$ and $v$ are perpendicular to each other.
Then, the position of the two satellites is important to find relative angular velocity, correct?
 
10:33 AM
It's certainly a simple calculation when the satellites are at their closest approach.
 
Hm, thank you =]
 

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