Posted by Honey on .
If a rock is thrown upward from a height of 100 ft, with an initial velocity of 32ft/sec, solve for the time that it takes for it to hit the fround (when h=0)
Round your answer to 2 decimals.
Please and thankkk youuu(:

Maath:) 
Steve,
h(t) = 16t^2 + 32t + 100
now just solve for t when h=0