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saifoo.khan
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An arrow is shot straight up into the air at a speed of 98 m/sec. What is the maximum height reached by the arrow? You may neglect air friction.
Select one:
a. 98 meters
b. 490 meters
c. 980 meters
d. 1,470 meters
omnomnom
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Lol seriously?
dpaInc
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is this from the moon, pluto, saturn?
saifoo.khan
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Mercury!
omnomnom
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EARTH!
omnomnom
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ITS earth
dpaInc
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sorry, i don't have the gravitational constant for mercury... :(
dpaInc
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come to think of it, i don't have it for those planets/moon i mentioned...
saifoo.khan
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v^2 = u^2 + 2as.
0^2 = 98^2 + 2(-9.81)s
omnomnom
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LOL :D
saifoo.khan
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lol @dpaInc
omnomnom
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and saifoo you just confused me further
saifoo.khan
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Why so?
saifoo.khan
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Where so?
omnomnom
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idk the equation
saifoo.khan
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Don't you know the formulas? D:
omnomnom
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i do but what the hell did you write?
saifoo.khan
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What's so difficult in this?
v^2 = u^2 + 2as.
0^2 = 98^2 + 2(-9.81)s
omnomnom
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okay \[V^2 = U^2 +2as\]
whats the U for?
saifoo.khan
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v = final speed
u = initial speed
omnomnom
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OMG couldnt you write Vi ??? and Vf??
omnomnom
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And let me guess the S is for time?
saifoo.khan
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s = distance.
duhh.
saifoo.khan
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And no. We study that here like that.
omnomnom
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OMG use d for distance please
saifoo.khan
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\[\Large \color{red} {V_i = V_f + 2ad}\]
omnomnom
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thank you
saifoo.khan
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where are my $50?
omnomnom
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i cant give it to you cuz you didnt answer the question :P
saifoo.khan
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i did already.
omnomnom
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but whats the answer?
like is it a, b, c, d?
saifoo.khan
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```
solve for d to find out the answer. :p
omnomnom
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then make the equation less complicated
saifoo.khan
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It's already less complicated.
omnomnom
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NO it isnt you know where vi is?? Make d there and then i can answer it :D
saifoo.khan
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|dw:1349397224874:dw|
omnomnom
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????? that is sooo confusing you are a bad teacher
saifoo.khan
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|dw:1349397318428:dw|
omnomnom
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Nope still dont get it
saifoo.khan
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Step1: Stop using chat and solve the question first.
Step 2: tell me the formula you have.
omnomnom
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um... \[d = \frac{ 1 }{ 2 } (t^2) \]
saifoo.khan
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what other formula do you have?
omnomnom
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um... \[d = vt\]
saifoo.khan
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more..
omnomnom
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Gosh.. \[d = Vi (t) +\frac{ 1 }{ 2 } a (t^2) \]
saifoo.khan
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MORE.
omnomnom
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OMG IDK ANYMORE!!
omnomnom
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YOU'RE MESSING WITH ME
saifoo.khan
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You don't have complete formulas then.
omnomnom
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YES I DOOOO
saifoo.khan
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No, im not messing.
omnomnom
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my teacher gave them to mee
saifoo.khan
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these are the 3 basic formulas you should have:
|dw:1349397950077:dw|
omnomnom
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First of all i gave you the 2nd one
saifoo.khan
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BUT WE HAVE TO USE THE FIRST ONE OVER HERE
omnomnom
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WHY??? WHY CANT YOU JUST TELL ME THE ANSWER?
saifoo.khan
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I WONT.
omnomnom
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WHY??
saifoo.khan
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THAT'S MARKED AS CHEATING. -_-
USE YOUR RUSTY BRAIN
omnomnom
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OMG MY BRAIN IS NOT RUSTTY AND ITS NOT CHEATING THIS ISNT EVEN MY HW ITS JUST A RANDOM QUESTION
saifoo.khan
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PERFECT .THEN JUST SOLVE FOR D|dw:1349398324077:dw|
omnomnom
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OMG JUST TELL ME THE ANSWER YOUR JUST CONFUSING MEE
saifoo.khan
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YOU'RE*
omnomnom
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OMFG!!!
omnomnom
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TELL MEEEE
saifoo.khan
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Apple.
omnomnom
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so the answer is a?
saifoo.khan
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No.
omnomnom
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i kneww it you know what im living with the answer b :P
saifoo.khan
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How are you so sure about B?
omnomnom
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CUZ I AM
saifoo.khan
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why?
omnomnom
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Cuz im omnomnom
omnomnom
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OMG THE ANSWER WAS B!!
omnomnom
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my gut is always right :p
saifoo.khan
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Yes, it's B.
gut?
omnomnom
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yea my gut!!
saifoo.khan
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whats gut?
omnomnom
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oh shush you know what i am talking about or i will let our my cookie war cry!!
saifoo.khan
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lol, no i don't know. For real.
omnomnom
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Oh okay a gut feeling is when you know you should do something but other people (YOU) confuse you or try to make you choose the opposite of your gut but if you still go with your gut you know you were right and stuff but sometimes the gut could be wrong.... I dont think that makes any sense :D
saifoo.khan
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Lol, sure it doesn't.