A Thin Rod of Mass M and Length L Is

question 12

Multiple Choice

A thin rod of mass M and length L is struck at one end by a ball of clay of mass m, moving with speed v as shown in the figure. The ball sticks to the rod. After the collision, the angular momentum of the clay-rod system about A, the midpoint of the rod, is

• A) (m + M/3)(vL/2)
• B) (m + M/12)(vL/2)
• C) (m + M/6)(vL/2)
• D) mvL/2
• E) mvL

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