Hi I need some help please. If an object is given an initial velocity of v0 feet per second from a height of s0 feet, then it's height s after t seconds is given by the formula S= -16t^(2) + v[0]t + s[0]. If a pine cone falls from the top of a 112 foot tree then how many seconds does it take to reach the earth? Round the answer to one decimal place

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112.... 1,112; 4, 28,..4.4.7
4 sqrt(7)
------- = sqrt(7)/8 right?
32

0.3 secs i think

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