A baseball is seen to pass upward by a window with verticals speed of 14 m/s. If the ball is thrown by a person 18m below on street, calculate  a) initial speed the ball was thrown at.        b) the maximum attitude the ball will reach.   c) seconds then ball was thrown prior to it been seen by the window. d) seconds it will reach the street later on return.

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Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.