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A ball is thrown vertically from the ground with a velocity of 30 m/s. What time is required for the ball to rise to its maximum height? How high does the

ball rise? How long after it is thrown does the ball have a velocity of 10m/s upward? Of 10m/s downward? When is the displacement of the ball be zero? When is the magnitude of ball's velocity equal to half of its velocity when thrown? When is the magnitude of the ball's displacement equal to half of the greatest height to which it rises? What are the magnitude and direction of the acceleration while the ball is moving upward? While moving downward? When at the highes point?



exactly below the midpoint of the ceiling.

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