Posted by Anonymous on Sunday, March 10, 2013 at 12:38pm.
D = rate x time
D = 5.436 m/s x time in seconds
You have to change 9 minutes to seconds and since there are 60 sec in each minute, you have 540 sec.
210 s + 540 s + now change 2 hours to seconds.
that will give you the time you need for the equation.
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