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The vector (hat i +hat j) is a unit vect...

The vector `(hat i +hat j)` is a unit vector.

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SL ARORA-Motion in a Plane-Excercise
  1. A given quantity has both magnitude and direction. It is necessarily a...

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  2. The vector (1/sqrt2 hat i + 1/sqrt2 hat j)is a unit vector?

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  3. The vector (hat i +hat j) is a unit vector.

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  4. We have n coplanar forces, each of magnitude T. If each force makes an...

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  5. If vec A. vec B = vec A. vec C, is it correct to conclude that vec B ...

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  6. If the component of one vector in the direction of another vector is ...

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  7. Are the magnitude and direction fo (vec A-vec B) . same as that of ...

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  8. Which of the following quantities can never be negative?

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  9. A scalar quantity

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  10. Read each statement below carefully and state with reasons, with it is...

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  11. Read each statement below carefully and state with reasons, with it is...

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  12. Assertion : The average speed of an object is greater than or equal to...

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  13. Read each statement below carefully and state with reasons, with it is...

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  14. A bullet is dropped from the same height when another bullet is fired ...

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  15. A projectile fired from the ground follows a parabolic path. The speed...

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  16. Show that the motion of one projectile as seen from another projectile...

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  17. When a person jumps from a tree to the ground what happens to the mome...

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  18. Is the maximum height attained by projectile is largest, when its hori...

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  19. Assertion : In order to hit a target, a man should point his rifle i...

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  20. Read each statement below carefully and state, with reasons, if it is ...

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