Determine the angular momentum vector of a 3.0 kg spinning sphere rotating about its central axis as depicted in the figure below. Express your answer using appropriate unit vectors. Consider the radius of the sphere is 6 cm.

• A. -0.23 î kg•m²/s
• B. 0.23 î kg•m²/s
• C. -0.23 ĵ kg•m²/s
• D. 0.23 ĵ kg•m²/s

Answer: (A)