A potter\'s wheel, with rotational inertia 6.60 kgm2 , is spinning freely at 19.

Question

A potter's wheel, with rotational inertia 6.60 kgm2 , is spinning freely at 19.0 rpm . The potter drops a 2.60 kg lump of clay onto the wheel, where it sticks a distance of 48.0 cm from the rotation axis.

Part A

What is the subsequent angular speed of the wheel?

A potter's wheel, with rotational inertia 6.60 kgm2 , is spinning freely at 19.0 rpm . The potter drops a 2.60 kg lump of clay onto the wheel, where it sticks a distance of 48.0 cm from the rotation axis.

Part A

What is the subsequent angular speed of the wheel?

Explanation / Answer

from conservation of angular momentum

Li = Lf

6.6*19 = (6.6+2.6*0.48^2)*w

w = 17.4 rpm = 17.4*2*3.14/60 = 1.83 rad/s

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