Homework Help: physiscs

Posted by Ray on Tuesday, September 21, 2010 at 8:10pm.

a pendulum of the length L is suspended from the ceiling of an elevator. When the elevator is at rest , the period of the pendulum is T. In instant when the pendulum reaches its highest position the elevator starts the free fall. What is the period of the pendulum if the elevator is freely falling?

physiscs - bobpursley, Tuesday, September 21, 2010 at 8:19pm
If the elevator is falling, the pendulum is falling, so it is not oscillating.
physiscs - Ray, Tuesday, September 21, 2010 at 9:01pm
so what?
physiscs - Jay, Monday, March 11, 2013 at 12:47am
For other viewers who didn't understand like Ray.. Since its not oscillating there is no period, therefore it is 0.

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