Homework Help: math

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 3:08pm
  i got
  
  (5 280^.5) / 4 = 18.1659021
  
  it the answer be 18 seconds?
math - jennifer, Wednesday, October 15, 2008 at 3:24pm
i got
(5 280^.5) / 4 = 18.1659021

is 18 seconds the answer?

thanks
- math - jennifer, Wednesday, October 15, 2008 at 3:24pm
  (5 280^.5) / 4 = 18.1659021
  - math - jennifer, Wednesday, October 15, 2008 at 3:25pm
    i got 18.1659021
    
    is 18 sec. the answer?
lavdokfbm mxth - lavdokfbm mxth, Wednesday, November 19, 2008 at 7:55pm
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