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Weight of objects

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You have a pail of water that weighs exactly 40 pounds. You place a LIVE 3-pound trout into the pail of water, and no water spills out. How much does the pail weigh now?? Explain your answer.

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40 lb + 3 lb = 43 lb
Unless it is a trick question, you just add the weights, because no mass has disappeared anywhere (no spills).

A possible tricking ...

Solution Summary

You have a pail of water that weighs exactly 40 pounds. You place a LIVE 3-pound trout into the pail of water, and no water spills out. How much does the pail weigh now?? Explain your answer.

$2.19