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May 3, 2015

Homework Help: Calculus

Posted by John on Sunday, November 13, 2011 at 7:15pm.

A stone is dropped from the upper observation deck of a tower, 200 m above the ground. (Assume g = 9.8 m/s^2.)

a)Find the distance (in meters) of the stone above ground level at time t.

b)With what velocity does it strike the ground? (Round your answer to one decimal place.)

c)If the stone is thrown downward with a speed of 2 m/s, how long does it take to reach the ground? (Round your answer to two decimal places.)

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