I am taking AP Physics right now. The thing is, my teacher is really stupid, doesn't know physics, and missed the first 6 weeks of school because of her kid. This problem should be easy, I just don't know how to solve it.
A person throws a ball straight up in the air at 1.5 m/s. The ball lands 4 m below where it was originally thrown. How long is the ball in the air?
Thanks.
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