A soccer ball is kicked with a speed of 18.0 m/s at an angle of 30.0...
A soccer ball is kicked with a speed of 18.0 m/s at an angle of 30.0 ∘ above the horizontal. If the ball lands at the same level from which it was kicked, for what amount of time was it in the air?
Homework Answers
time of flight = 2u sin a / g
where u = initial velocity
a = angle of projection
g = acceleration due to gravity
t = 2*18*sin 30 / 9.8
= 1.84 s
so the ball remains for 1.84 s in the air
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