Question

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 xyplane and is centered on the zaxis, a distance of 0.75 m from the origin. The z component of the angular momentum around the origin is:
A) 6.0 kgm2/s
B) 9.0 kgm2/s
C) 11 kgm2/s
D) 14 kgm2/s
E) 20 kgm2/s

Answer

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