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Ask iit jee aieee pet cbse icse state board experts Expert Question: An easy problem on vectors.................
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[Post New]18 May 2007 13:17:22 IST
    Subject: An easy problem on vectors.................
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nano0101 (44)

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i and j are vectors along x and y axis resp. What are the components of vector
A = 2i + 3j along the directions of i+j and i - j ..................
In the process of learnin..............blunders do happen !!!
    
[Post New]18 May 2007 13:19:18 IST
    Subject: An easy problem on vectors.................
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nano0101 (44)

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hehe this is already asked !! 
In the process of learnin..............blunders do happen !!!
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[Post New]18 May 2007 13:24:16 IST
    Subject: An easy problem on vectors.................
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Himanshu_Mohan (80)

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just take dot product n divide by moduli;

for component of x on y: comp=|x.y| / |y|

on i+j : (2+3)/root2 = 5/root 2

on i-j : (2-3)/root2 = 1/root2
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<TR><TD>


<DIV ALIGN="right">Animated Letters</DIV></TD></TR></TABLE>




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[Post New]18 May 2007 13:25:48 IST
    Subject: An easy problem on vectors.................
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Himanshu_Mohan (80)

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the dir. of da projections will b in dir. of i+j and j-i resp.
<TABLE CELLSPACING="1" CELLPADDING="1" BORDER="0">
<TR><TD>


<DIV ALIGN="right">Animated Letters</DIV></TD></TR></TABLE>




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