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OpenStudy (anonymous):
A ball is thrown 20 m/s from the roof of a building 25m high at an angle of 30 degrees below the horizontal. At what height above the ground will the ball strike the side of another building 20m away from the first?
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OpenStudy (perl):
we can use projectile equation
OpenStudy (perl):
|dw:1418127331143:dw|
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