If |overset rarr A xx overset rarr B| = ...

If `|overset rarr A xx overset rarr B| = |overset rarr A cdot overset rarr B|`,then find the angle between `overset rarr A ` and `overset rarr B`.

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If overset rarr A + overset rarr B = overset rarr A - overset rarr B ,then:

If the magnitude of vectors overset rarr P,overset rarr Q and oversert rarr R are 3,4 and 5 units respectively,and if overset rarr P + overset rarr Q = overset rarr R ,then what will be the angle between overset rarr P and overset rarr R ?

Show that |overset rarr A + overset rarr B|^2 - |overset rarr A - overset rarr B |^2 = 4 overset rarr A cdot overset rarr B .

If overset rarr A,overset rarr B and overset rarr C are mutually perpendicular to each other ,then find the value of overset rarr A cdot (overset rarr C + overset rarr B) .

The vectors overset rarr A and overset rarr B are such that | overset rarr A + overset rarr B| = | overset rarr A - overset rarr B | ,then the angle between two vectros will be :

Three vectors overset rarr P,overset rarr Q and overset rarr R satisfy the relations overset rarr P cdot overset rarr Q = 0 and overset rarr P * overset rarr R = 0 .To which vector, the vector overset rarr P is parallel to .

Is the magnitude of (overset rarr A - overset rarr B) same as that of (overset rarr B - overset rarr A) ?

The dimensions of the quantity overset rarr E xx overset rarr B ,wehre overset rarr E represents the electric field and overset rarr B the magnetic field may be given as:

At what angles do the two fores (overset rarr P + overset rarr Q ) adn (overst rarr P - overset rarr Q) act so that the agnitude of the resultantts is sqrt(2(P^2 + Q^2 ) ) ?

If overset rarr A = 2 hati + 5 hat j ,what is the unit vector perpendicular to overset rarr A ?

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