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The diagonals of a parallelogram are 2ha...

The diagonals of a parallelogram are `2hati` and `2hatj`. What is the area of the parallelogram

A

0.5 units

B

1 unit

C

2units

D

4 units

Text Solution

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The correct Answer is:
C
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ERRORLESS -VECTORS-Exercise
  1. The linear velocity of a rotating body is given by vec(v)= vec(omega)x...

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  2. Three vectors veca,vecb and vecc satisfy the relation veca.vecb=0 and ...

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  3. The diagonals of a parallelogram are 2hati and 2hatj. What is the area...

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  4. What is the unit vector perpendicular to the following vectors 2hati+2...

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  5. The area of the parallelogram whose sides are represented by the vecto...

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  6. The position of a particle is given by vecr=(hati+2hatj-hatk) and mome...

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  7. Two vector A and B have equal magnitudes. Then the vector A+B is perpe...

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  8. Find the torque of a force vecF= -3hati+hatj+5hatk acting at the poin...

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  9. the value of (vecA+vecB)xx(vecA-vecB) is

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  10. If vecA and vecB are perpendicular vectors and vector vecA=5hati+7hatj...

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  11. A body, under the action of a force vec(F)=6hati -8hatj+10hatk , acqui...

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  12. Area of a parallelogram formed by vectors (3hati-2hatj+hatk)m and (hat...

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  13. The position vectors of radius are 2hati+hatj+hatk and 2hati-3hatj+hat...

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  14. What is the value of linear velocity, if vecomega=3hati-4hatj+hatk and...

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  15. Dot product of two mutual perpendicular vector is

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  16. When vecA.vecB=-|A||B|, then

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  17. If |vecAxxvecB|=sqrt(3) vecA.vecB, then the value of |vecA+vecB| is

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  18. A force vecF=3hati+chatj+2hatk acting on a particle causes a displacem...

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  19. A force vecF=(5hati+3hatj)N is applied over a particle which displaces...

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  20. If a vector vec(A) is parallel to another vector vec(B) then the resul...

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