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You throw a yo-yo of mass 30.0 g straight down with a linear speed of 1.00...

You throw a yo-yo of mass 30.0 g straight down with a linear speed of 1.00 m/s and an angular speed of 2.00 rotations per second. Once the yo-yo has dropped 1.00 m, it stops and rotates in place. Treat the yo-yo as a hollow cylinder with a radius of 3.00 cm. Assume energy is conserved. Find angular speed (in radians/second) of the yo-yo after it has fallen 1.00 m. Does this speed seem realistic? If not, what might explain it?

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In this question we have to find the angular speed of the hollow cylinder at the bottom.

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