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A body covers first 1/3 part of its jour...

A body covers first `1/3` part of its journey with a velocity of `2m//s`, next `1/3` part with a velocity of `(3m)/s` and rest of the journey with a velocity `6m//s`. The average velocity of the body will be

A

3m/s

B

`(11)/(3)m//s`

C

`(8)/(3)m//s`

D

`(4)/(3)m//s`

Text Solution

Verified by Experts

The correct Answer is:
B
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MOTION-KINEMATICS-EXERCISE 2 OBJECTIVE PROBLEMS (Level-2)
  1. A body covers first 1/3 part of its journey with a velocity of 2m//s, ...

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  2. The displacement (x) of a particle depends on time t as x=alpha t^(2)-...

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  3. A particle has initial A particle has initial velocity 10m//s. It move...

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  4. Mark the correct statements for a particle going on a straight line:

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  5. A bead is free to slide down a smooth wire tightly stretched between p...

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  6. Let v and a denote the velocity and acceleration respectively of a bod...

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  7. Which of the following statements are true for a moving body?

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  8. The figure shows the velocity (v) of a particle plotted against time (...

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  9. Pick the correct statements:

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  10. If the velocity of the particle is given by v=sqrt(x) and initially pa...

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  11. A particle moves with an initial velocity v(0) and retardation alpha v...

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  12. A projectile of mass 1kg is projected with a velocity of sqrt(20)m//s ...

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  13. Choose the correct alternative (s)

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  14. If T is the total time of flight, h is the maximum height and R is the...

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  15. A particle moves in the xy plane with a constant acceleration 'g' in t...

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  16. A ball is rolled off along the edge of a horizontal table with velocit...

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  17. A particle is projected at an angle theta from ground with speed u (g ...

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  18. A particle is projected vertically upward with velocity u from a point...

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  19. A block is thrown with a velocity of 2m//s^(-1) (relative to ground) o...

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  20. A particle moves with constant speed v along a regular hexagon ABCDEF ...

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