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If | vec a|=2,\ | vec b|=3\ a n d\ vec ...

If `| vec a|=2,\ | vec b|=3\ a n d\ vec adot vec b=3` find the projection of ` vec b\ on\ vec adot`

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To find the projection of vector \(\vec{b}\) onto vector \(\vec{a}\), we can use the formula for the projection of one vector onto another: \[ \text{proj}_{\vec{a}} \vec{b} = \frac{\vec{a} \cdot \vec{b}}{|\vec{a}|^2} \vec{a} \] ### Step 1: Identify the given values We are given: ...
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RD SHARMA-SCALAR OR DOT PRODUCT-Solved Examples And Exercises
  1. Write the value of p for which vec a=3 hat i+2 hat j+9 hat k\ a n d\ ...

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  2. Find the value of lambdadot If the vectors 2 hat i+lambda hat j+3 hat ...

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  3. If | vec a|=2,\ | vec b|=3\ a n d\ vec adot vec b=3 find the projecti...

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  4. Writhe the angle between two vectors vec a\ a n d\ vec b"\ " with ma...

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  5. Write the projection of the vector hat i+3 hat j+7 hat k on the vecto...

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  6. Find lambda, when the projection of vec a=lambda hat i+ hat j+4 hat k...

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  7. For what value of lambda are the vectores vec a=2 hat i+lambda hat j+...

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  8. Writhe the projection of the vector 7 hat i+ hat j-4 hat k on the vect...

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  9. Write the value of lambda so that the vector vec a=2 hat i+lambda hat...

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  10. Write the projection of vec b+ vec c\ on\ vec a , when vec a=2 hat ...

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  11. If vectors vec a\ a n d\ vec b\ are such that | vec a|=3,\ | vec b|...

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  12. If vec a\ a n d\ vec b are two unit vectors such that vec a+ vec b ...

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  13. The vector vec a\ a n d\ vec b satisfy the equation 2 vec a+ vec b= ...

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  14. If vec adot hat i= vec adot( hat i+ hat j)= vec adot( hat i+ hat j+ h...

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  15. If vec a+ vec b+ vec c= vec0,\ | vec a|=3,\ | vec b|=5,\ | vec c|=7 t...

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  16. Let vec a\ a n d\ vec b be two unit vectors and alpha be the angle b...

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  17. The vector (cosalphacosbeta) hat i+(cosalphas inbeta) hat j+(s inalpha...

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  18. If the position vectors of P\ a n d\ Q are hat i+2 hat j-7 hat k\ a n...

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  19. If vec a\ a n d\ vec b are unit vectors, then which of the following...

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  20. If the vectors hat i-2x hat j+3y hat k\ a n d\ hat i+2x hat j-3y hat...

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