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The position vector of a particle moving...

The position vector of a particle moving in XY plane at any instant of time is `x= 4t^2 hati + 3t^2hatj`. Find the instantenous speed.

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CHETANA PUBLICATION-MOTION IN A PLANE-EXERCISE
  1. Explain 'Relative velocity'.

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  2. Two parallel rail tracks run north-south. Train A moves north with a s...

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  3. The position vector of a particle moving in XY plane at any instant of...

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  4. If the motion of an object is described by x=f(t) write formulae for i...

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  5. The position of an object moving along the x axis is given by x = a + ...

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  6. A train is moving east ward at 10 m s^-1. A waiter is walking eastward...

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  7. Derive equations of motion for a particle moving in a plane and show t...

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  8. A train is moving east ward at 10 m s^-1. A waiter is walking eastward...

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  9. Derive equations of motion for a particle moving in a plane and show t...

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  10. Define the terms : (i) projectile (ii) Velocity of projection (iii) An...

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  11. Show that the path of a projectile is a parabola.

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  12. Define (i) Times of ascent (III) Time of descent (iii) Time of flight....

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  13. Define horizontal range. Derive the necessary expression for it.

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  14. A projectile is thrown at an angle of 30^@ to the horizontal. What sho...

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  15. A man throws a ball to maximum horizontal distance of 80 m. Calculate ...

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  16. A particle is projected with speed of u at an angle theta to the horiz...

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  17. Find a formula for maximum height attained by object

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  18. A stone is thrown vertically upward with a velocity of 30 m//s. How hi...

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  19. At wich point of its trajectory does the projectile have minimum speed...

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  20. Show that for a given velocity of projection, there are two angles of ...

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