A spherical shell with a mass of 1.43 kg and a radius of 0.39 m is rolling across the level ground with an initial angular velocity of 35.9 rad/s. It is slowing at an angular rate of 2.6 rad/s². What is its rotational kinetic energy after 4.7 s? The moment of inertia of a spherical shell is I = M R²
Q: What is its rotational kinetic energy
A: Rotational kinetic energy after 4.2 second is 35.48 Joules . Explanation is in next step .
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