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When a body is projected into air with c...

When a body is projected into air with certain initial velocity making an angle with the horizontal,it will travel in a parabolic path.
a)What are the vertical and horizontal components of velocity?
b)With a diagram derive an expression for:
(i)maximum height
(ii) time of flight.
c)A ball is dropped through the window of a train travelling with high velocity,to a man standing near the track.The ball _________
(i)falls down vertically.
(ii)moves straight horizontally.
(iii)follows an elliptical path.
(iv)follows a parabolic path.

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