﻿ The height h of a rock t seconds after it is dropped off a cliff is given by the equation h=-16t squared + 400.  , 20.06.2019 18:02, maualca

# The height h of a rock t seconds after it is dropped off a cliff is given by the equation h=-16t squared + 400. how many seconds after the rock is dropped will it hit the ground? ### Other questions on the subject: Mathematics Mathematics, 21.06.2019 15:00, cfonse11
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The height h of a rock t seconds after it is dropped off a cliff is given by the equation h=-16t squ...

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