# Physics Question of the day # 2

**URL:** <https://forums.speedlife.net/t/physics-question-of-the-day-2/67513>\
**Category:** NYSpeed Off Topic\
**Created:** [May 8, 2009, 2:06pm UTC](https://forums.speedlife.net/t/physics-question-of-the-day-2/67513 "2009-05-08T14:06:56Z")\
**Posts on this page:** 4\
**Page:** 2

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**Author:** ![pirite](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/pirite/32/5308_2.png) [@pirite](https://forums.speedlife.net/u/pirite)\
**Post date:** [May 8, 2009, 9:43pm UTC](https://forums.speedlife.net/t/physics-question-of-the-day-2/67513/21 "2009-05-08T21:43:21Z")

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> [@Motocrossx23](#):
>
> Lead weighs whatever the hell it wants.
> 
> I just built a 12ft canoe, no joke. I say we test this in someones pool.

ive got a pool… but i dont think the canoe would fit lol

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**Author:** ![ultradriver10000](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/ultradriver10000/32/7397_2.png) [@ultradriver10000](https://forums.speedlife.net/u/ultradriver10000)\
**Post date:** [May 9, 2009, 12:26am UTC](https://forums.speedlife.net/t/physics-question-of-the-day-2/67513/22 "2009-05-09T00:26:39Z")

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> [@Willybeen](#):
>
> ok, lets say you had a lead ball that was 2ft in diameter it weighed 200 lbs… and you had the same size ball made of aluminum… it weighed 5 lbs… both would sink and displace the same amount of water when thrown overboard… assuming they didnt land outside of the pool :lol:, however, when in the boat, the amount of mass that the said balls have would NOT displace a the same amount of water.
> 
> therefore it depends on mass/density/ etc etc… multiple variables.
> 
> right?

Correct. Since the 200lb ball of lead is in the boat it will displace roughly 200 lbs of water, which will be larger then the weight of the water displaced by its size.

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**Author:** ![Willybeen](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/willybeen/32/7351_2.png) [@Willybeen](https://forums.speedlife.net/u/Willybeen)\
**Post date:** [May 9, 2009, 5:50am UTC](https://forums.speedlife.net/t/physics-question-of-the-day-2/67513/23 "2009-05-09T05:50:44Z")

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> [@RedGoober4Life](#):
>
> Lead is now 40 times more dense than aluminum?

i was just trying to over-exagerate my example.

jerk lol

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**Author:** ![KuntryQuestTSi](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/kuntryquesttsi/32/5010_2.png) [@KuntryQuestTSi](https://forums.speedlife.net/u/KuntryQuestTSi)\
**Post date:** [May 10, 2009, 2:47pm UTC](https://forums.speedlife.net/t/physics-question-of-the-day-2/67513/24 "2009-05-10T14:47:09Z")

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> [@Motocrossx23](#):
>
> Lead weighs whatever the hell it wants.
> 
> I just built a 12ft canoe, no joke. I say we test this in someones pool.

I got a indoor pool :shrug:  
whos got a rock?

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