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February 28, 2015

February 28, 2015

Posted by **A** on Thursday, November 7, 2013 at 1:57pm.

(a) Find the period of the pendulum for small angles of oscillation. Express your answer in terms of m, R, l and acceleration due to gravity g as needed (enter m for m, R for R, l for l, g for g and pi for π).

Tfixed=

(b) For small angles of oscillation, what is the new period of oscillation if the disk is mounted to the rod by a frictionless bearing so that it is perfectly free to spin? Express your answer in terms of m, R, l and acceleration due to gravity g as needed (enter m for m, R for R, l for l, g for g and pi for π).

Tfree=

- Physics Classical Mechanics -
**nik**, Wednesday, November 13, 2013 at 9:56amTfixed=2*pi*((8*l^2+3*R^2)/(9*g*l))^(1/2)

but i haven't yet checked my answer for Tfree.

- Physics Classical Mechanics -
**Anonymous**, Wednesday, November 13, 2013 at 4:39pmTfree=2*pi*((8*l^2)/(9*g*l))^(1/2)

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