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What is a null vector? Define a unit vec...

What is a null vector? Define a unit vector.

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BINA LIBRARY-KINEMATICS-II-EXERCISE
  1. What is the basic different between a vector and a scalar?

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  2. What is a null vector? Define a unit vector.

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  3. State triangle law of addition of vectors.

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  4. What is a projectile?

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  5. What do you mean by time of flight in projectile?

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  6. What is the velocity of a projectile at the highest point?

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  7. What do you mean by horizontal range of a projectile?

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  8. In unform circular motion which physical quantities remain constant?

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  9. What is the direction of acceleration of a body moving in a curved pat...

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  10. Can a paricle accelerate if its speed is constant?

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  11. Can a paricle accelerate when its velocity is constant?

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  12. Is it possible for a body to move in a curved path without being accel...

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  13. Show that the trajectory of projectile is parabolic.

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  14. Find an expression for maximum verital height of an inclined projectil...

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  15. Show that the linear speed of a paricle rotaling alon a circular path ...

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  16. Why is a body moving in uniform circular motion accelerated?

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  17. What are radial and tangential acceleration of a body moving in a unif...

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  18. Obtain an equation of a body moving in two dimensions.

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  19. Find an expression for the horizontal range of an incliined projectile...

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  20. A projectile is thrown upward with a velocity of V, in a direction mak...

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