A ball is thrown from one cliff towards another cliff. The speed of the ball is
n1 m/s. The sin of the angle with respect to the horizon is
sin&theta = 3/5. Unfortunately, the ball is not thrown with enough speed to
reach the top of the other cliff, and lands below the level a distance of
n3 meters. The two cliffs are a distance of n2 meters
apart. Take the acceleration of gravity g = 10 m/s2.
What is n3?
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