Show that the girl at A can throw the ball to the boy at B
Chapter 12, Problem 12-90(choose chapter or problem)
Show that the girl at A can throw the ball to the boy at B by launching it at equal angles measured up or down from a 45 inclination. If vA = 10 m>s, determine the range R if this value is 15, i.e., u1 = 45 15 = 30 and u2 = 45 + 15 = 60. Assume the ball is caught at the same elevation from which it is thrown.
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