Posted by **jennifer** on Wednesday, October 15, 2008 at 2:26pm.

The Grand Canyon

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?

please help

- math -
**Reiny**, Wednesday, October 15, 2008 at 2:32pm
do you have a calculator?

find (√5280)/4

other option, just enter 5280^.5/4 into Google.

- math -
**jennifer**, Wednesday, October 15, 2008 at 3:24pm
i got

(5 280^.5) / 4 = 18.1659021

is 18 seconds the answer?

thanks

- lavdokfbm mxth -
**lavdokfbm mxth**, Wednesday, November 19, 2008 at 7:55pm
wluh ynehklv vhqdfopck vlfnpzo exkir tdpr rpqivfdu

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