Mechanics - Vectors-Please Help me out

36

rahul ·2012-05-08 05:01:51

if ur geometry is fine....
then vectors are just like bread and wine...... :P

use the property that...
the median from the vertex containing the right angle on the hypotenuse of a right-triangle
equals the bisected parts of the hypotenuse...!!

so lock option (A)

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262

Aditya Bhutra ·2012-05-08 06:43:05

(\vec{a}-\vec{b}).(\vec{a}+\vec{b}) =0

|\vec{a}|^{2}-\vec{a}.\vec{b} +\vec{a}.\vec{b} -|\vec{b}|^{2} =0

|\vec{a}| =|\vec{b}|

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158

Anik Chatterjee ·2012-05-10 03:45:49

ya got it thanx

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