Does the water level change when an aluminum boat sinks?

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aluminum boat floating in swimming pool. hole opens in bottom of boat, , sinks bottom of pool. water level rise, fall, or stay same?

intuitively i'd guess water level rise, since boat displaces more water when sinks... weight of boat while floating account volume?

i'm further confused because when ice cube melts in cup of water, water level not change because mass of cube when melted not change. however, throwing rocks off boat cause water level fall, because volume displaced rock less volume displaces due weight while in boat...

an aluminum boat floating in swimming pool. hole opens in bottom of boat, , sinks bottom of pool. water level rise, fall, or stay same? intuitively i'd guess water level rise, since boat displaces more water when sinks... weight of...


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