Answer to Question #68254 in Physics for abdul

Question

A ball is to be kicked so that, at the highest point of its path, it just clears a fence a few metres away. The ground level and the fence is 2.2 m high. The ball is kicked from the ground level with an initial velocity of 8.0 m/s at an angle $ to the horizontal. Air resistance is to be neglected.
(a) show that, if the ball just clears the fence, he angle of projection $ must be .55*
(b) Find the horizontal velocity of the ball as it passes over the fence.
(c) Calculate the total time for which the ball is in air from the instant it is kicked until it reaches the ground.(g=9.8 )

Answer 1

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