Posted by **jennifer** on Wednesday, October 15, 2008 at 6:11pm.

The time t (in seconds) that it takes for an object to fall a distance of s feet is given by the formula

t = radical symbol s /4

In some places, the Grand Canyon is one mile (5,280 feet) deep. How long would it take a stone dropped over the edge of the canyon to hit bottom?

would the answer be

18 seconds?

- math -
**jessica**, Wednesday, October 15, 2008 at 6:18pm
it is 26seconds

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