Tuesday

September 30, 2014

September 30, 2014

Posted by **Anonymous** on Friday, November 8, 2013 at 9:50pm.

(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 -
**rohit**, Sunday, November 10, 2013 at 11:45amhey have u got this@Anonymous

- PHYSICS -
**@help**, Monday, November 11, 2013 at 3:06amtry googling MIT OCW with the problem text .

- PHYSICS -
**KS**, Monday, November 11, 2013 at 6:06pmq7, the answer is

a)2*pi*sqrt(((1/3*m+m)*l^2+1/2*m*R^2)/((1/2*m+m)*g*l))

b)2*pi*sqrt(((1/3*m+m)*l^2)/((1/2*m+m)*g*l)) 4a: (m_2*g)/(m_2+I_c/R^2)

b: (I_c*m_2*g)/(m_2*R^2+I_c)

c: sqrt((2*h*m_2*g*R^2)/(m_2*R^2+I_c))

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