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Domesticated
Supreme tranceaddict



Registered: Feb 2007
Location:

Actually what's dumber is posting a question like this and expecting a serious response.


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Old Post Aug-18-2009 00:51 
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Sunsnail
Global Moderator



Registered: Sep 2004
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nvm thought it was being dropped

Old Post Aug-18-2009 00:52 
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Nrg2Nfinit
ItaloDiscoAddict



Registered: Sep 2001
Location: Ottawa

quote:
Originally posted by Domesticated
Yeah, this.

You are fucking dumb if you're doing this stuff at school with a text book and can't work it out. Physics is one of the easiest kinds of maths, at least at this level.


ok genius i gave you all the equations and 50 % of the question.. figure it out lol


I suggest you eat some meat before you attempt it though.

Old Post Aug-18-2009 00:52 
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Nrg2Nfinit
ItaloDiscoAddict



Registered: Sep 2001
Location: Ottawa

quote:
Originally posted by Domesticated
Actually what's dumber is posting a question like this and expecting a serious response.


whats dumber is if you say its so easy and then can't solve it.

Old Post Aug-18-2009 00:53 
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Domesticated
Supreme tranceaddict



Registered: Feb 2007
Location:

quote:
Originally posted by Domesticated
Yeah, this.

You are fucking dumb if you're doing this stuff at school with a text book and can't work it out. Physics is one of the easiest kinds of maths, at least at this level.


Apparently you can't read either. It's been the better part of a decade since I did physics at school, I'm about as likely to remember that as I am to remember this thread in 10 years time.


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Old Post Aug-18-2009 00:54 
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Nrg2Nfinit
ItaloDiscoAddict



Registered: Sep 2001
Location: Ottawa

quote:
Originally posted by Domesticated
Apparently you can't read either.


apparently you can't read either.. i gave you all the equations and a diagram. This was an exam question, obviously its going to be trickier then anything in the text book.

Anyways.. sorry im so stupid i can't solve a physics question lol.

Old Post Aug-18-2009 00:56 
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pkcRAISTLIN
arbiter's chief minion



Registered: Jul 2002
Location:

quote:
Originally posted by Domesticated
Yeah, this.

You are fucking dumb if you're doing this stuff at school with a text book and can't work it out. Physics is one of the easiest kinds of maths, at least at this level.


well, i wouldn't go that far. Nrg2Nfinit is pretty damned smart.


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Old Post Aug-18-2009 00:59  Australia
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Nrg2Nfinit
ItaloDiscoAddict



Registered: Sep 2001
Location: Ottawa

quote:
Originally posted by Domesticated
It's been the better part of a decade since I did physics at school, I'm about as likely to remember that as I am to remember this thread in 10 years time.


see look what happend when you stopped eating meat. You started to lose your memory. You're slowly turning into a lemur.


edit: hold on to your earlobes.

Old Post Aug-18-2009 01:00 
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Zild
Ten City



Registered: Jun 2004
Location: San Antonio, US : TXTA #156

quote:
Originally posted by Nrg2Nfinit




here i posted what i solved for



x=xo + vot (no acceleration in x component)

1)y=yo+vot +1/2 at^2
2)v=vo+at (you can use this for y component)
3)v^2=vo^2+ 2ay (you can use this for y component as well)


so for the first part i got the angle by using tvocos@=x

since i have x t and v i can solve for @ which gives 31 degrees.

From there i found my y componet by first solving for distance to zero velocity which gave 15.5 meters (v2=v02+2ay) where v=0 a -9.81.

I also solved for how much time that took using v=vo+at which gave me 1.78 seconds. I can subtract this from 5 to give me the remaining time that it will take to hit the ground from maximum height (zero velocity) 3.21.

I can use y=yo + 1/2at2 to solve for the distance to hit the ground from zero velocity. I subtract this number (50.7) from 15.5 and i get the height of the building to be 35.2.


This is all for the first stone (black) now all i know for the second stone (red) is that it lands 2 seconds after the first stone and it has the same velocity (35m/s).


Good luck


if it has the same velocity it has to have a more acute angle... your longest time of flight will be when theta = pi/4 rad


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Old Post Aug-18-2009 01:03  United States
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Domesticated
Supreme tranceaddict



Registered: Feb 2007
Location:

quote:
Originally posted by Nrg2Nfinit
see look what happend when you stopped eating meat. You started to lose your memory. You're slowly turning into a lemur.


edit: hold on to your earlobes.


Me not eat meat?

I despise fruit and vegetables. I could probably count the pieces of fruit I've eaten this year on one hand.


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Old Post Aug-18-2009 01:07 
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Nrg2Nfinit
ItaloDiscoAddict



Registered: Sep 2001
Location: Ottawa

quote:
Originally posted by Zild
if it has the same velocity it has to have a more acute angle... your longest time of flight will be when theta = pi/4 rad


i would think a larger angle would give more flight time at the same velocity

Old Post Aug-18-2009 01:09 
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Nrg2Nfinit
ItaloDiscoAddict



Registered: Sep 2001
Location: Ottawa

quote:
Originally posted by Domesticated
Me not eat meat?

I despise fruit and vegetables. I could probably count the pieces of fruit I've eaten this year on one hand.


ok so help me out with my question then lol

Old Post Aug-18-2009 01:09 
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