Structures at Bath

Keeping the concepts fresh

A quick question to make you think

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You are sitting in a rowing boat in a small pond, you have an unopened  can of baked beans with you. If you throw the  can (which sinks)  into the pond what happens to the level of the water in the pond

www.amsterdamology.com

www.amsterdamology.com

This question was  plagiarized from Prof Peter Goodhew, thanks Mark

 

SOLUTION:  The  water level goes down!  In the boat the mass of the can displaces its own  mass of  water (which is a lot of  water as the beans are  dense) when the  can of beans  sinks to the  bottom of the pond they  only  displace  their own  volume which is   small ( as they  are  dense) hence the water  level goes  down! Don't worry  a  beautiful illustration of the solution is coming  soon.

 

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