A waterfall has a height of 1500 feet. A pebble is thrown upwardfrom the top of the falls with an initial velocity of 20 feet persecond. Theâ height, h, of the pebble after t seconds is given bythe equation h =â16t2+20t+1500. How long after the pebble is thrownwill it hit theâ ground?

Question

A waterfall has a height of 1500 feet. A pebble is thrown upwardfrom the top of the falls with an initial velocity of 20 feet persecond. Theâ height, h, of the pebble after t seconds is given bythe equation h =â16t2+20t+1500. How long after the pebble is thrownwill it hit theâ ground?

A waterfall has a height of 1500 feet. A pebble is thrown upwardfrom the top of the falls with an initial velocity of 20 feet persecond. Theâ height, h, of the pebble after t seconds is given bythe equation h =â16t2+20t+1500. How long after the pebble is thrownwill it hit theâ ground?

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