if vector a,b,c are unit vectors such that vector a is perpedicular to the plane of vector b ,c and the angle between vector b & vector c is pi/3 then |a+b+c| = ?

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Khimraj · Answer

let x = |a + b + c| then x 2 = a 2 + b 2 + c 2 + 2a.b + 2b.c + 2a.c x 2 = 1 + 1 + 1 + 2*1*1*cos90 + 2*1*1*cos90 + 2*1*1*cos60 x 2 = 1 + 1 + 1 + 0 + 0 + 1 = 4 so x = 2 Hope it clears. If you like answer then please approve it.

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if vector a,b,c are unit vectors such that vector a is perpedicular to the plane of vector b ,c and the angle between vector b & vector c is pi/3 then |a+b+c| = ?

if vector a,b,c are unit vectors such that vector a is perpedicular to the plane of vector b ,c and the angle between vector b & vector c is pi/3 then |a+b+c| = ?

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if vector a,b,c are unit vectors such that vector a is perpedicular to the plane of vector b ,c and the angle between vector b & vector c is pi/3 then |a+b+c| = ?

if vector a,b,c are unit vectors such that vector a is perpedicular to the plane of vector b ,c and the angle between vector b & vector c is pi/3 then |a+b+c| = ?

1 Answers

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Other Related Questions on Mechanics

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