A rock is thrown horizontally from a tower at A and hits the ground 3.5 s later at B
Chapter 2, Problem 2/80(choose chapter or problem)
A rock is thrown horizontally from a tower at A and hits the ground 3.5 s later at B. The line of sight from A to B makes an angle of with the horizontal. Compute the magnitude of the initial velocity u of the rock. 2/80
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