# Physics

A soccer ball is kicked with a speed of 9.35 m/s at an angle of 25.0 ∘ above the horizontal.
If the ball lands at the same level from which it was kicked, how long was it in the air?

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1. hf=hi+v*sinTheta*time-1/2 g t^2

hf=hi=0
you know Theta, v (9.35m/s), solve for t

0=t(v*sinTheta-4.9t)
t= v*sinTheta/4.9

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bobpursley

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