Question

a soccer player kicks a ball into the air at an angle of 36.0 above the horizontal. the initial velocity of the ball is +30.0m/s. how long is the soccer ball in the air?
bobpursley
in the vertical:

hf=hi+viv*t-1/2 g t^2
0=0+30sin36*t-4.9t^2

t(30sin36-4.9t)=0

t=0 and t= 30sin36/4.9

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