1.1 Calculate the time t1 it takes the ball to reach its maximum height. 1.2 Calculate the initial velocity of the tennis ball the instant it is released 1.3 Sketch a velocity-time graph for the motion of the ball from the moment it is thrown vertically upwards till it reaches the ground. Label the axes and show all the relevant values on the graph

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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.