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Unformatted text preview: 63. A pebble thrown upward from the top of the Wollomombi Falls with an initial velocity of 20 feet per second has this formula giving its height above the base of the falls ( h ) after ( t ) seconds: 1100 20 16 2 + +-= t t h . Using this equation, find how long after the pebble is thrown it will hit the ground at the bottom of the falls. Round to the nearest tenth of a second....
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- Spring '11
- Quadratic Formula, Prime number, __________________, Wollomombi Falls