As a 20-Kg Block Travels Around a 0

Multiple Choice

As a 2.0-kg block travels around a 0.50-m radius circle with an angular speed of 12 rad/s. The circle is parallel to the xy plane and is centered on the z axis, 0.75 m from the origin. The component in the xy plane of the angular momentum around the origin has magnitude:

A) 0
B) 6.0 kg . m²/s
C) 9.0 kg. m²/s
D) 11 kg .m²/s
E) 14 kg .m²/s