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Terminal Velocity

by sstangle73
Tags: terminal, velocity
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sstangle73
#1
Feb21-10, 09:28 PM
P: 6
could anyone help solve part 2 of this problem (Find the Terminal Velocity)?
http://stevenstangle.com/images/physics.gif
Thanks!
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songoku
#2
Feb22-10, 01:37 AM
P: 767
Hi sstangle

Draw a free body diagram and find all the forces acting on the rod. Then set the net forces that are parallel to the rail equals to zero
sstangle73
#3
Feb24-10, 08:46 PM
P: 6
i know i have to do mg=qvB but idk what q is

songoku
#4
Feb26-10, 09:47 AM
P: 767
Terminal Velocity

Hi sstangle

No, that's not the right equation. You have to find the forces parallel to the rail and they are not mg and BQV. Actually you need to use F = BIL sin θ


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