Homework Help: physics

Posted by emily on Tuesday, May 26, 2009 at 5:38pm.

Carol drops a stone into a mine shaft 122.6 m deep. How soon after she drops the stone does she hear it hit the bottom of the shaft?

physics - bobpursley, Tuesday, May 26, 2009 at 5:52pm
You have to figure the time of fall.

122.6=gt^2 solve for t, the time of fall.

then figure the time to get the sound up:
122.6=vsound*tup solve for time up
physics - bro, Tuesday, July 17, 2012 at 9:01pm
yo

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