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Author Topic:   Counter-Intuitive Science
NoNukes
Inactive Member


Message 127 of 182 (600669)
01-16-2011 7:20 AM
Reply to: Message 126 by Seizmik
01-16-2011 6:25 AM


Re: Counter-Intuitive Physics
Seizmik writes:
Imagine something is 'pulling' the universe in order for it to expand, then these pullers would not be inside the universe, hence not limited to the speed of light.
Why couldn't these imagined pullers be moving at subluminal speeds?
Also, as has been discussed already, the universe's expansion does not involve mass and energy moving at superluminal speeds. That shouldn't be counter intuitive to most people that have "intuited" on the subject to some depth.

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 Message 126 by Seizmik, posted 01-16-2011 6:25 AM Seizmik has not replied

  
NoNukes
Inactive Member


Message 128 of 182 (600670)
01-16-2011 7:26 AM
Reply to: Message 107 by onifre
01-14-2011 3:47 PM


Isn't it directly proportional to the mass of the object under the effects of only gravity?
Nope The force is directly proportional to the inertial mass which results in the accelerations of dissimilarly masses objects due to gravity being the same.

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NoNukes
Inactive Member


Message 129 of 182 (600671)
01-16-2011 7:33 AM
Reply to: Message 109 by Dr Adequate
01-14-2011 6:55 PM


Re: Counter-Intuitive Math
Perhaps the students were simply contemplating the wrong bad law suit to file. Maybe subject A is mathematics while subject B is nursing.

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 Message 109 by Dr Adequate, posted 01-14-2011 6:55 PM Dr Adequate has not replied

  
NoNukes
Inactive Member


Message 142 of 182 (600809)
01-17-2011 11:25 AM
Reply to: Message 141 by Panda
01-17-2011 8:04 AM


Re: Counter-Intuitive Math
Panda writes:
I think the reasoning is:
Since there is now a chance of Monty winning the car, your chance of winning the car (on the right hand side of your diagram) must be lower.
This reasoning cannot be correct.
The question asks what one should do when Monty shows a goat. In other words, Monty's possibility of showing the car should be removed from the considered outcomes, and probabilities would be calculated based on the remaining possible outcomes. It doesn't matter whether Monty picked the goat randomly, by ESP, or by being told which doors hide goats.
Slevesque's overlooks that when you initially pick a car, there are two ways for Monty to randomly pick the goat. If you switch your pick in either of those two situations, you lose.
Edited by NoNukes, : Address slevesque's post

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 Message 141 by Panda, posted 01-17-2011 8:04 AM Panda has replied

Replies to this message:
 Message 143 by Panda, posted 01-17-2011 1:02 PM NoNukes has seen this message but not replied
 Message 146 by slevesque, posted 01-17-2011 3:10 PM NoNukes has replied

  
NoNukes
Inactive Member


Message 147 of 182 (600876)
01-17-2011 3:40 PM
Reply to: Message 146 by slevesque
01-17-2011 3:10 PM


Re: Counter-Intuitive Math
slevesque writes:
The reality is that it does matter, as I have shown twice previously. But let's take a real life example and hopefully it will seem clearer:
I believe you are correct. The difference is explained in excruciating detail on the Wiki page.

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 Message 146 by slevesque, posted 01-17-2011 3:10 PM slevesque has not replied

  
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