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a rod 2.5 m long with mass 10 kg can rotate freely about a horizontal axis...

a rod 2.5 m long with mass 10 kg can rotate freely about a horizontal axis through the end of the rod.

a bullet with mass 15 grams or 0.015 kg with a speed of 400 m/s strikes center of the rod in a direction perpendicular to the rod, and is embedded there.

What is the rod's angular speed after the bullet stops in the rod?

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