October 9, 2015

Homework Help: calculus

Posted by beatriz on Thursday, December 2, 2010 at 12:01pm.

A stone is dropped from the upper observation deck (the space deck) of the CN Tower, 450m above the ground.

(a) How long does it take the stone to hit the ground?

(b) If the stone is thrown downward with a speed of 5m/s, how long does it take to reach the ground?

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