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A ball is thrown at an unknown angle. Find its initial speed (in ft/sec) if it...

A ball is thrown at an unknown angle. Find its initial speed (in ft/sec) if it hits the ground 3380 ft away after 26 seconds. Assume g=32.2 ft/sec2 .

Answer is one of the following
438.32  455.18  472.04  364.97  294.79  649.57  414.74  447.92  275.8  567

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