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Area of a parallelogram formed by vector...

Area of a parallelogram formed by vectors `(3hati-2hatj+hatk)m` and `(hati+2hatj+3hatk)` m as adjacent sides is

A

8

B

`8sqrt(3)`

C

`3sqrt(8)`

D

192

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The correct Answer is:
B
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ERRORLESS -VECTORS-Exercise
  1. If vecA and vecB are perpendicular vectors and vector vecA=5hati+7hatj...

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

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

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

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

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  6. Dot product of two mutual perpendicular vector is

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

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

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

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

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

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  12. P, Q and R are three coplanar forces acting at a point and are in equi...

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  13. P, Q and R are three coplanar forces acting at a point and are in equi...

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  14. If a body is in equiliburium under a set of non-collinear forces, then...

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  15. How many minimum number of coplanar vector having different magnitudes...

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  16. As shown in figure the tension in the horizontal cord is 30 N. The wei...

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  17. Two cars are moving in the same direction with the same speed 30 km//h...

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  18. A man standing on a road has to hold his umbrella at 30^0 with the ver...

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  19. A boat is moving with a velocity 3 hat i+ 4hat j with respect to groun...

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  20. A river is flowing from east to west at a speed of 5m//min. A man on s...

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