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If overset rarr A + overset rarr B = ov...

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

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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 :

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 .

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

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 .

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 ) ) ?

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

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 ?

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:

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) .

In the reaction CH_3 CH_2 I overset (alc.KOH) rarr X overset(Br_2) rarr Y overset(KCN) rarr Z , Z is :

JBD PUBLICATION-KINEMATICS-EXAMPLE
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  2. What will be the shape of displacement-time graph when acceeration or ...

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  3. If overset rarr A + overset rarr B = overset rarr A - overset rarr B,...

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  4. What is subtraction of a vector?

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  5. Vectors cannot be added algebraically. Why?

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  6. Is commutative law applicable too vector subtraction?

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  7. If overset rarr A = 2 hati + 5 hat j,what is the unit vector perpendic...

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  8. What is unit vector?

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

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  10. A vector of magnitude 5,makes an angle 60^@ with the y-axis .Express t...

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  11. At what points on the projectile trajectory is the speed minimum

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  12. What is the vertical component of velocity of a projectile at its maxi...

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  13. Shells of different masses are fired from a cannon at same angle with ...

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  14. A ball will project with a speed u at an angle of projection 30^@ has ...

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  15. At what angle ith the verticle should a projectile be projected so tha...

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  16. If u is the velocity of projection ,what is the value of maximum hori...

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  17. Name the quantity which remains unchanged during the flight of an obli...

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  18. How many directions of projection are possible for the same horizontal...

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  19. A bomb is dropped from an aeroplane when it is at a heigth h directly ...

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  20. A ball is thrown up and then it returns to the thrower .Is it a projec...

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