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Mathematics, 15.07.2019 00:30 legrandschool1oxa0sd

Awaterfall has a height of 1500 feet. a pebble is thrown upward from the top of the falls with an initial velocity of 20 feet per second. the height, h, of the pebble after t seconds is given by the equation h=-16t+20t+1500. how long after the pebble is thrown will it hit the ground?

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Awaterfall has a height of 1500 feet. a pebble is thrown upward from the top of the falls with an in...

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