A Thin Rod of Mass M and Length L Is

question 38

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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Definitions:

Circadian Rhythm

Our biological clock; regular bodily rhythms (for example, of temperature and wakefulness) that occur on a 24-hour cycle.

REM Rebound

The tendency for REM sleep to increase following REM sleep deprivation.

Sequential Processing

A method of information processing where data is analyzed in a linear, step-by-step manner, often contrasted with parallel processing.

Cursive

A style of penmanship where characters are written in a flowing manner, typically for the purpose of making writing faster.