A Turntable Has a Moment of Inertia of 3

question 19

Multiple Choice

A turntable has a moment of inertia of 3.00 *10^-2 kg·m² and spins freely on a frictionless bearing at 25.0 rev/min. A 0.600-kg ball of putty is dropped vertically onto the turntable and sticks at a point 0.100 m from the center. What is the new rate of rotation of the system?

• A) 20.8 rev/min
• B) 22.7 rev/min
• C) 33.3 rev/min
• D) 27.2 rev/min

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