v = 12.0 m/s 8.00 m 36.9
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A 2.00 kg rock has a
horizontal velocity of magnitude
12.0 m/s when it is at point P in
Fig. . (a) At this instant, what
are the magnitude and direction of its
O? (b) If the only force acting on the
rock is its weight, what is the rate of
change (magnitude and direction) of
its angular momentum at this instant?
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