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, a distance of 0.75 m from the origin.The z component of the angular momentum around the origin is: A)6.0 kg∙m²/s B)9.0 kg∙m²/s C)11 kg∙m²/s D)14 kg∙m²/s E)20 kg∙m²/s

Question

Quizplus · Accepted Answer

The z component of the angular momentum Lz is given by Lz = m * r^2 * ω, where m is the mass, r is the radius, and ω is the angular speed. Substituting the given values: Lz = 2.0 kg * (0.50 m)^2 * 12 rad/s = 6.0 kg∙m²/s.

A 20-Kg Block Travels Around a 0