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Pastimes : Logic Puzzles and Brain Teasers -- Ignore unavailable to you. Want to Upgrade?

To: Chip Anderson who wrote (7)	3/1/1998 7:55:00 PM
From: Mitch Blevins	Read Replies (1) \| Respond to of 193

Chip, are we talking net amount of water exiting?

To: Chip Anderson who wrote (7)	3/3/1998 3:36:00 AM
From: D LEE	Read Replies (1) \| Respond to of 193

To estimate the amount of water exiting the Mississippi river in an hour -Somewhere between the mouth but beyond where any extra water enters:- 1) Let someone else choose an easy cross section without obstructions to be sure the water flow is uniform from bank to bank. 2) Then let someone else measure the # of feet across as well as the "average" depth of the river in feet, and multiply. (Let "a" equal the square footage of this cross section.) 3) Then let someone else float objects there and calculate the average speed they travel when passing through the cross section. (Let "b" equal the # of feet per hour the water travels there) 3) Then let someone else to do the math. ("a" times "b" = "c") When "c" = the answer as expressed as cubic feet of water let someone else finally wake me up and tell me. (I may have to send them back do it again a few times to account for the tide, but the volume of water passing here will equal the volume passing at the mouth. The only difference will be the water's speed and the ease of taking the measurements. .....and the names of some of the fish. Dave (you guys are keeping me up!)<g>

To: Chip Anderson who wrote (7)	11/1/1999 12:53:00 PM
From: Cristian B.	Read Replies (1) \| Respond to of 193

"THE MISSISSIPPI - the largest river of North America, draining with its major tributaries an area of approximately 1,200,000 square miles (3,100,000 square km), or about one-eighth of the entire continent. It enters the Gulf through a vast delta southeast of New Orleans, a total distance of 2,350 miles (3,780 km) from its source. [...] Its annual average discharge rate is greater than 600,000 cubic feet per second (17,000 cubic m per sec), less than one-tenth that of the Amazon River and only about half that of the Congo River." Encyclopaedia Britannica CD 98 Multimedia Edition (C) 1994-1998 Encyclopaedia Britannica So 0.0612 cubic kilometers (!!!) every hour...