Short projectile motion question

a peron kicks a football from 39.6 meters from the goal posts. the kcik leaves the ground with a speed of 24.8m/s at an angle of 49.6 degrees. the goal post are 3.10 meters high

determine the amount by which the kick clears the goal posts

2 answers

Calculate the height of the ball 39.6 meters from where it is kicked, and subtract 3.10 m from that.

These fomulas will come in handy:

The time it takes to reach the goal posts is
T = 39.6 meters/(Vo cos 49.6)

Football height at goal post =
(Vo sin 49.6* T) - (g/2) T^2
would the formula for solving for time be

vyf-vyi/a
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