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# Projectile motion - trajectory of a football

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A foot ball is kicked with a velocity of 20m/s at an angle of 45 deg with the horizontal.

(a) Find the time taken by the ball to strike the ground.
(b) The maximum height it reaches
(c) How far away from the kick does it hit the ground?

Take g = 10m/s^2.

##### Solution Summary

This answer shows how to find the range and maximum height of a foot ball. Step by step procedure with final answer.

##### Solution Preview

Take the origin at the point where the ball is kicked vertically upward as the Y axis and the horizontal in the plane of motion as the X axis. The initial velocity has the components,
U(x) = 20m/s Cos(45) = 10 x ...

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