find the vertical and horizontal components of the initial velocity.
from the vertical velocity, find the time in air:
hf=ho+viv*t-1/2 g t^2 solve for t time in air.
then, using the horizontal component find how far it goes.
distance=vih*timeinair.
Next, find out speed (distance he has to run in the given time)
A football is kicked off with an initial speed of 63 ft/s at a projection angle of 45 degrees. A receiver on the goal line 67 yd away in the direction of the kick starts running to meet the ball at that instant. What must be his minimum speed (in feet/second) if he is to catch the ball before it hits the ground?
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1 answer