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Dot product of two mutual perpendicular ...

Dot product of two mutual perpendicular vector is

A

0

B

1

C

`oo`

D

None of these

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The correct Answer is:
A
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ERRORLESS -VECTORS-Exercise
  1. The position vectors of radius are 2hati+hatj+hatk and 2hati-3hatj+hat...

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

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  3. Dot product of two mutual perpendicular vector is

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  18. A person aiming to reach the exactly opposite point on the bank of a s...

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  19. A moves with 65km//h while B is coming back of A with 80km//h. The rel...

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  20. A thief is running away on a straight road in a moving with a speed of...

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