A ball is thrown horizontally from the top of a building 40 m high. The ball strikes the ground at a point 72.9 m from the base of the building. The acceleration of gravity is 9.8 m/s^2 . Find the time the ball is in motion. Answer in units of s. Find the initial velocity of the ball. Answer in units of m/s. Find the x component of its velocity just before it strikes the ground. Answer in units of m/s. Find the y component of its velocity just before it strikes the ground. Answer in units of m/s.

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