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Find the vector product of vectors vecA ...

Find the vector product of vectors `vecA = 4hati + 2 hatJ - hatk ,vecB = hati+ 3 hatJ + 4 hatk`

A

`3 hati -htj-5hatk`

B

`11 hati -17htj+10hatk`

C

`4 hati +6htj-4hatk`

D

`5 hati + 5htj+3hatk`

Text Solution

Verified by Experts

The correct Answer is:
B
`11 hat(I ) -17hat(j ) + 10 hat(k )`

`= (hat(I ) (8+3) - hat(j ) (16 + 1) + hat(k ) (12-2)`
`11 hat(I ) -17 hat(j ) + 10 hat(k )`
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KUMAR PRAKASHAN-LAW OF MOTION-SECTION -E(MULTIPLE CHOICE QUESTIONS) (MCQS)
  1. If vectors are vecA = 2 hati + 3 hatJ - hatk and hatB = 4 hati + 6 hat...

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  2. vecA = 2 hati +3 hatJ +4 hatk and vecB =4 hati +5 hatj +3 hatk , then ...

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  3. Find the vector product of vectors vecA = 4hati + 2 hatJ - hatk ,vecB ...

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  4. A body of mass 20 kg at one end and another of 60 kg at the other end ...

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  5. If vector vecA =4 hati -6 hatJ +2hatk and vecB =6hati +8 hatj +mhatk a...

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  9. M = 5 kg. The co-efficient of static friction between the block and th...

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