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Any thoughts onhow to make this boat better
OK, Duncan. here's a little experiment you can do in your
bathtub. 1. Put an empty Coke bottle in the water. Observe how it floats. 2. Fill the Coke bottle 1/4 with water. Observe how it floats. 3. Fill the bottle 1/2 way. Observe how it floats 4. Fill it 3/4 full. Observe how it floats 5. Is the water in the coke bottle below the tub water surface? 6. Wash your butt last. Scotty "Dave Doe" wrote in message . nz... 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 |
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