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A vector is by vec V=(8.0hati +2.0 hat j...

A vector is by `vec V=(8.0hati +2.0 hat j) m//s`. What will be direction of unit vector perpendicular to `vecV`?

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It will lie along Z-axis as `vecV` lies in X-Y plane.
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MODERN PUBLICATION-MOTION IN A PLANE -Revision Exercises (very Short Answer Questions)
  1. What are rectangular components of a vector ?

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  2. Define scalar produt of two vectors.

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  3. A vector is by vec V=(8.0hati +2.0 hat j) m//s. What will be direction...

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  4. Can the magnitude of vecA -vecB be equal to vecA+vecB?

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  5. Is the associative law applicable to vector subtraction ?

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  6. Can the magnitude of the reultant vector of two given vectros be less ...

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  7. Can three vectors not in one phane giv e a zero resultant ? Can four v...

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  8. Can a vector be multiplied with both dimensional and non-dimensional s...

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  9. What will be the value of vecA. (vec(B)(C)) if vecA, vecB, vecC are pe...

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  10. Under what condition, the three vectors (i) cannot giv zero resultant ...

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  11. What is a projectile ? Give its examples. Show that the path of projec...

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  12. TRAJECTORY OF HORIZONTAL PROJECTILE

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  13. Define time of flight for a projectile .

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  14. The horizontal range for projectile is given by

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  15. What do you mean by maximum height attained by a projectile ?

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  16. What do you mean by angular displacement ? Is it a scalar or vector ?

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  17. What is angular velocity ? What is its unit?

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  18. What is centriprtal acceleration ? In which direction it acts ?

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  19. Can there be a motion in two dimensions with an acceleration only in o...

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  20. A ball is thrown straight up. What is its velocity and acceleration at...

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