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Q3. A body is fired vertically upwards from ground level with an initial velocity of 36 m/s. At the same instant that a second body is allowed to fall from rest from a height of 170 m above ground level.

Calculate EACH of the following:

(a) the elapsed time to the point at which the bodies pass each other. (3)

(b) the height above the ground at which they meet. (2)

(c) the difference between the velocities at which the bodies hit the ground. (5)

(d) the difference in time between each body hitting the ground. (6)