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Cool goIITian

Joined:	25 May 2008
Post:	71

8 Jun 2008 14:37:52 IST

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find a vector of magn. 6units in direc 3i+4j in form of ai+bj

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find a vector of magn. 6units in direc 3i+4j in form of ai+bj

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Eshaan Gupta

Scorching goIITian

Joined: 22 Dec 2006

Posts: 211

8 Jun 2008 15:25:47 IST

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see unit vector in the direction of given vector is

3/5 i + 4/5 j

so the vector of magnitude 6 in its direction is

18/5 i + 24/5 j

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