If veca and vecb are unit vectors and ve...

If `veca` and `vecb` are unit vectors and `veca-vecb` is also a unit vector, then write the measure of the angle between `veca` and `vecb`.

Answer

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If veca=2vecb and vecc=-3vecb , then what is the angle between veca and vecc ?

Let the vectors veca and vecb such that abs(veca)=3 and abs(vecb)=frac[sqrt2][3] . If vecatimesvecb is a unit vector, then find the angle between veca and vecb .

Knowledge Check

If veca and vecb are unit vectors such that vecaxxvecb is a unit vector, then the angle between veca and vecb is ____

A

of any measure

B

`pi/4`

C

`pi/2`

D

`pi`

If vecA and vecB are two vectors then the correct statement is

A

`vecA+vecB = vecB+vecA`

B

`vecA-vecB = vecB-vecA`

C

`vecA xx vecB = vecB xx vecA`

D

None of these

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If abs(veca+vecb)=abs(veca-vecb) then what is the angle between veca and vecb ?

Vectors veca,vecb, vecc are such that veca + vecb + vecc = 0 and |veca| = 3, |vecb| = 5 and |vecc]= 7 . Find the angle between veca and vecb .

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