Posted by **Molly86** on Friday, October 31, 2008 at 10:27am.

A long uniform rod of length 4.76 m and mass 5.48 kg is pivoted about a horizontal, frictionless pin through one end. The rod is

released from rest in a vertical position as in the figure.

(A)

At the instant the rod is horizontal, find its angular speed. The acceleration of gravity is 9.8 m/s2 . Answer in units of rad/s.

(B)

At the same instant find the magnitude of its angular acceleration. Answer in units of rad/s2.

(C)

Still at the same instant find the magnitude of the acceleration of its center of mass. Answer in units of m/s2.

(D)

Finally, find the magnitude of the reaction force at the pivot (still at the same moment). Answer in units of N.

- physics -
**Anonymous**, Thursday, November 3, 2016 at 6:51pm
where are the answers

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