Unknown angle above the horizontal

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A rock is thrown from the top edge of a 100-ft tall building at some unknown angle above the horizontal. The rock strikes the ground a horizontal distance of 160 ft from the base of the building 5.0 s after being thrown. Assume that the ground is level and that the side of the building is vertical. Determine the speed with which the rock was thrown and the velocity just before it hurts on the ground.

Reference no: EM131653255

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