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Dave Doe
 
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Default Any thoughts onhow to make this boat better

In article ,
says...

"Dave Doe" wrote in message .

Water weighs the same above or below the waterline, and the

same in or
out of water assuming the same gravitational potential.


No it doesn't!

The *mass* is the same.

Take a plastic bag of water and push if off a bench.

Take the same and do the same off a wee bench in a tub of

water.



Dave, the water in a ballast tank is KNOT IN the water.

Sheesh!!!!


Neither is the water in the plastic bag!

Sheesh!

--
Duncan