A Bucket of Water with Total Mass 25 Kg Is

question 13

Multiple Choice

A bucket of water with total mass 25 kg is attached to a rope,which in turn is wound around a 0.04-m radius cylinder at the top of a well.The bucket is raised to the top of the well and released.The bucket is moving with a speed of 5.0 m/s upon hitting the water surface in the well.What is the angular speed of the cylinder at this instant?

• A) 50 rad/s
• B) 31 rad/s
• C) 125 rad/s
• D) 157 rad/s
• E) ​785 rad/s

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