- #1
Ghengis
- 7
- 1
Hey guy,
Ive been recently investigating the phenomena of eddy currents, particularly that of a magnet falling down a copper tube.
To the people who haven't seen it before, basically the magnet reaches terminal velocity in the copper tube extremely quickly, and takes a long time to leave the copper tube.
Anyway, i was wondering how could you show that the time taken for the magnet to reach terminal velocity is negligible.
Thanks so much guys :)p.s. i have already calculated the formula for estimating the final velocity of the copper magnet, but I am stumped on figuring out how to prove that it would reach the terminal velocity in a very small period of time.
Ive been recently investigating the phenomena of eddy currents, particularly that of a magnet falling down a copper tube.
To the people who haven't seen it before, basically the magnet reaches terminal velocity in the copper tube extremely quickly, and takes a long time to leave the copper tube.
Anyway, i was wondering how could you show that the time taken for the magnet to reach terminal velocity is negligible.
Thanks so much guys :)p.s. i have already calculated the formula for estimating the final velocity of the copper magnet, but I am stumped on figuring out how to prove that it would reach the terminal velocity in a very small period of time.
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