Homework Help: Calculus

Posted by Akira on Tuesday, February 8, 2011 at 11:09pm.

To estimate the height of a bridge, a man drops a stone into the water below. How high is the bridge (a) if the stone hits the water 3 seconds later? (b) if the man hears the splash 3 seconds later? (1080 ft per second for speed of sound)

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