Solved

A Uniform Rod Is 2

Question 81

Multiple Choice

A uniform rod is 2.0 m long. The rod is pivoted about a horizontal, frictionless pin through one end. The rod is released from rest at an angle of 30° above the horizontal. What is the angular acceleration of the rod at the instant it is released?


A) 4.7 rad/s2
B) 6.9 rad/s2
C) 6.4 rad/s2
D) 5.6 rad/s2
E) 4.2 rad/s2

Correct Answer:

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