Posted by **Dydy** on Monday, January 9, 2012 at 9:06pm.

use to postion function s(t) = -4.9t^2 + vt + s for free-falling objects

to estimate the height of a building, a stone is dropped from the top of the building into a pool of water at ground level. How high is the building of the splash is seen 6.8 seconds after the stone is dropped?

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