A Potter's Wheel,with Rotational Inertia 46 Kg ∙ M²,is Spinning

question 71

Multiple Choice

A potter's wheel,with rotational inertia 46 kg ∙ m²,is spinning freely at 40 rpm.The potter drops a lump of clay onto the wheel,where it sticks a distance 1.2 m from the rotational axis.If the subsequent angular speed of the wheel and clay is 32 rpm what is the mass of the clay?

• A)8.0 kg
• B)5.4 kg
• C)7.0 kg
• D)8.8 kg

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