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AS Physics
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AS Physics
by The Banker Wed Mar 10, 2010 5:27 pm
Ahmed, ur da physics guy.. i need help.. and fast 
i got 93.4 m/s
it looks wrong man
One record suggests that the maximum horizontal distance an arrow has been shot on level ground is 889 m. Assuming that the arrow was shot at 45°, at what speed was it launched?
i got 93.4 m/s
it looks wrong man
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Re: AS Physics
by Ahmed Wed Mar 10, 2010 7:46 pm
Oh! Ok shouldn't they give the Vx (initial horizontal velocity)?
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Re: AS Physics
by The Banker Wed Mar 10, 2010 7:51 pm
i used the equation that goes:
R=(U^2Sin2Ѳ)/g
[R is the range by the way]
R=(U^2Sin2Ѳ)/g
[R is the range by the way]
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Re: AS Physics
by Ahmed Wed Mar 10, 2010 8:05 pm
R=(U^2Sin2Ѳ)/g
Last question:
Are you sure there is a 2 in front of the theta (Ѳ)?
You actually need to use the double-angle formula?
Last question:
Are you sure there is a 2 in front of the theta (Ѳ)?
You actually need to use the double-angle formula?
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Re: AS Physics
by Ahmed Wed Mar 10, 2010 8:11 pm
Yeah I know...
Never saw that physics formula. But if its correct then plug in everything, and that gives you your answer...need help?
Never saw that physics formula. But if its correct then plug in everything, and that gives you your answer...need help?
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Re: AS Physics
by Ahmed Wed Mar 10, 2010 8:30 pm
*shurg*
Why are you caring that much lol? Ask him tomorrow.
Why are you caring that much lol? Ask him tomorrow.
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Re: AS Physics
by The Banker Wed Mar 10, 2010 8:31 pm
coz i don't like failing life 
and how do u know he's a he not a she?
and how do u know he's a he not a she?
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Re: AS Physics
by The Banker Wed Mar 10, 2010 8:36 pm
i don't like failing in general...
watch how i go all emo after i get my results tomoz...
===
and so true.. men do rule
watch how i go all emo after i get my results tomoz...
===
and so true.. men do rule
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Re: AS Physics
by The Banker Thu Mar 11, 2010 7:59 pm
only 4 ppl in the year got grades man ( i was one of em ) and the rest of the year got Us..
ur on ur own man...
) and the rest of the year got Us..ur on ur own man...
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