Let's say you are riding on a boat in a swimming pool. You have a huge rock in the boat. You dump the rock into the swimming pool. The rock sinks to the bottom of the pool. The water level will do what?

Please answer right away, dont look at the pool result and people's oppinion. DONT SCROLL DOWN UNTIL YOU ANSWER THE POLL!!!!
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The answer is Goes down. When the rock is in the boat, you are displacing the weight of the rock. When you dump into the water, you only displace the volume of the rock instead of the weight. Since the rock sinks, the volume of the rock (filled with water) is not as much as the equvalent weight of rock with water. So yeah... it goes down.

 

Dont feel bad, most people got it wrong anyway

 

44 views... 3 votes.. wth

 

it goes down!! The boat with the rock in it displaces more water than the boat and the rock separately.

 

Wouldn't it depend on what kind of rock it is? Some types of rockes weigh more than others ie limestone and granite, or others.
What i am say is that 2 rocks cut to the same size can weight alot different.
I could be wrong thought because after all i am just average on the smart meter.

 

^^ Its not just the weight of the rock, its the volume, But this is actualy a trick question, it depends on how big/heavy/ boyant the "boat" is. But 9 times out of 10, the water level will go down

 

You are correct! The difference in the weight of the rocks, if volume was a constant on the rocks, would be the varing difference.

 

I did say the rock sinks ... if the rock doesnt sink, then the water should go up.. if the rock stays in the middle of the water, then water should stay the same.

 

I'm stupid.

 

I win!

 

I Win Too!