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#801
Nov 7 2016 06:12pm
Quote (card_sultan @ Nov 7 2016 05:05pm)

barometric pressure of the liquid vs the air - and basically your sucking air out of the straw and the liquid follows and the pressure to "level" returns you break the seal on the straw
heres a slightly more complicated example

http://www.youtube.com/watch?v=GjUqVFmRZ2U


I know full well how straws are explained using real physics, I was wondering how it would be explained using YOUR physics. You don't believe in pressure, remember? You believe in vibrational density and photogenic energy. Barometric pressure is a result of gravity, which doesn't exist on a flat earth.
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#802
Nov 7 2016 06:14pm
Quote (card_sultan @ Nov 7 2016 05:09pm)
Mass X (Acceleration X time[or "velocity"]) = momentum

so you are finally acknowledging that i am right - how adult of you.


So for an object with 0 acceleration, momentum is zero? A car moving at a constant speed has no momentum. I mean, just plugging the numbers in, anything multiplied by zero is zero. Unless math is different on a flat earth, of course.
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#803
Nov 7 2016 06:14pm
Quote (card_sultan @ Nov 7 2016 04:05pm)
Force = Mass X Acceleration
Force X time = momemtun

If you can point out where i'm wrong, you'd have a point
but the "you're wrong" is not an arguement - it barely qualifies as an opinion



barometric pressure of the liquid vs the air - and basically your sucking air out of the straw and the liquid follows and the pressure to "level" returns when you break the seal on the straw
here's a slightly more complicated example

http://www.youtube.com/watch?v=GjUqVFmRZ2U


what you are looking for is "change of momentum" not "momentum"

force is the rate at which momentum changes with respect to time. You can have momentum without force.
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#804
Nov 7 2016 06:14pm
Quote (Santara @ 7 Nov 2016 16:12)
No. Acceleration is NOT a part of the equation.

Mass X velocity, whereby velocity = speed and vector.



"Oh!" said card _sultan. "I get it now. Quite silly of me really,I had the equation all wrong. Thank you, my friend. Truly, your dedication to the truth has enlightened me today. Boy,I couldn't have been more wrong, could I?"
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#805
Nov 7 2016 06:15pm
Quote (Brian_D @ Nov 7 2016 02:08pm)
How did this thread get to 80 pages?


Cause people care - you know that Joe Rogan was a firm moon landing hoax guy for years until someone told him why the moon landing was faked and he was visited by NDT and he sold out.

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#806
Nov 7 2016 06:20pm
Quote (Santara @ Nov 7 2016 04:12pm)
No. Acceleration is NOT a part of the equation.

Mass X velocity, whereby velocity = speed and vector.


f=ma
f=m(Δv/t)
f=Δmv/t
f=Δp/t
tf=Δp

sultan is almost right but the importance here is change in velocity/momentum represented by Δ
you cannot have a force with a constant mass or velocity
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#807
Nov 7 2016 06:22pm
Quote (majorblood @ Nov 7 2016 02:14pm)
what you are looking for is "change of momentum" not "momentum"

force is the rate at which momentum changes with respect to time. You can have momentum without force.


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#808
Nov 7 2016 06:23pm
Quote (card_sultan @ Nov 7 2016 04:22pm)
http://i.imgur.com/teLTsiR.jpg


yes, this is what I am saying "change in its momentum"
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#809
Nov 7 2016 06:53pm
Quote (majorblood @ Nov 7 2016 02:23pm)
yes, this is what I am saying "change in its momentum"


exactly Force + Time = "the change" in momentum

Momentum is the vector
acceleration is a point in time

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#810
Nov 7 2016 08:13pm
Quote (card_sultan @ Nov 7 2016 04:53pm)
exactly Force + Time = "the change" in momentum

Momentum is the vector
acceleration is a point in time

http://i.imgur.com/zjafGFr.jpg


force + time =/= "the change" in momentum
force*time = Δp

the whole time you've been saying force * time = momentum which is not true in all cases as momentum can exist without force in equivalence with newton's first law
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