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Calculate the average angular velocity o...

Calculate the average angular velocity of the hour hand of the of a clock.

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SL ARORA-Motion in a Plane-Excercise
  1. A ball is thrown at an angle theta with the horizontal. Its time of fl...

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  2. The horizontal range of a projectile is 2 sqrt(3) times its maximum he...

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  3. Calculate the average angular velocity of the hour hand of the of a cl...

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  4. What furnishes the centripetal acceleration for the earth to go round ...

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  5. vec(A) is a vector with magnitude A, then the unit vector hat(A) in th...

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  6. Find a unit vector parallel to the vector 3 hat i +7 hat j + 4 hat k.

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  7. Evaluate : hat k . hat k

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  8. Can two non-zero vectors give zero resultant when they multiply with e...

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  9. A vector vec A is exparessed as vec A = A(x) hat I + A(y) hat j where...

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  10. What is the value of vec A xx vec A ?

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  11. What is the angle between vec(A) and the esultant of (vec(A) + vec(B))...

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  12. If |vec A + vec B|= |vec A|+|vec B|, then what is the angle between ve...

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  13. Distinguish between position and displacement vectors.

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  14. Define (i) unit vector (ii) null vector (iii) cross product of two vec...

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  15. State and prove the commutative property of vector addition.

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  16. Give one example of dot product of vectors. Also give its unit

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  17. Find the work done in moving a particle along a vector vec S= (4 hat i...

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  18. The angle between vectors A and B is 60^circ. What is the ratio of vec...

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  19. Obtain an expression for the area of a triangle in terms of the cross ...

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  20. A projectile is fired with a velocity 'u' making an angle theta with t...

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