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January 13th, 2017, 06:08 AM  #1 
Member Joined: Oct 2016 From: Slovenia, Europe Posts: 52 Thanks: 5  Finding frequency of a specific mechanical oscillator  horizontal rod on pivot There is a cyllinder with radius 0.5 m fixed on the wall. We put a 6 metres long thin rod with mass 0.3 kg on it, which does not slip. I would like to calculate the oscillating time. It is a part of a clock, so the oscillating time is probably 1 or 2 seconds, but I got around 5 seconds. Please help me find a mistake. relevant equation: I am used to write M (torque) and J (moment of inertia) 
January 13th, 2017, 05:15 PM  #2 
Senior Member Joined: Feb 2016 From: Australia Posts: 1,838 Thanks: 653 Math Focus: Yet to find out. 
By oscillating time do you mean settling time? Also your images seem to not have uploaded properly. 
January 13th, 2017, 06:43 PM  #3 
Math Team Joined: Jul 2011 From: Texas Posts: 3,016 Thanks: 1600 
duplicate post ... oscillating of a rod put on a cylinder ... seems that posters on physics forums agreed with your solution. Why the additional post here? 

Tags 
finding, frequency, horizontal, mechanical, oscillator, pivot, rod, specific 
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