In the figure, a 0.400 kg ball is shot directly upward at initial speed 73.7 m/s. What is its angular momentum about P, 3.99 m horizontally from the launch point, when the ball is
(a) at maximum height
b) halfway back to the ground? What is the torque on the ball about P due to the gravitational force when the ball
is (c) at maximum height and
(d) halfway back to the ground?
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