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August 30, 2014

August 30, 2014

Posted by **Dydy** on Monday, January 9, 2012 at 8:27pm.

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 if the splash is seen 6.8 seconds after the stone is dropped?

- calculus -
**Damon**, Monday, January 9, 2012 at 8:51pms(6.8) = 0 the ground

v = initial vertical velocity which is zero (dropped not thrown)

0 = -4.9 (6.8)^2 + 0 (6.8) + h

so

h = 227 meters

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