If the 3-lb solid sphere is released from rest when  = 30°, determine its angular velocity when  = 0°, which is the lowest point of the curved path

1. 

18-06

If the 3-lb solid sphere is released from rest when thetaa = 30°, determine its angular velocity when thetaa = 0°, which is the lowest point of the curved path having a radius of 11.5 in. The sphere does not slip as it rolls.
[A]. w = 15.17 rad/s
[B]. w = 18.13 rad/s
[C]. w = 21.5 rad/s
[D]. w = 17.15 rad/s

Answer: Option B

Explanation:

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