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A particle has initial A particle has in...

A particle has initial A particle has initial velocity `10m//s`. It moves due to constant retarding force along the line of velocity which produces a retardation of `5 m//s^(2)`. Then

A

the maximum displacement in the direction of initial velocity is 10 m

B

the distance travelled in first 3 seconds is 7.5 m

C

the distance travelled in first 3 seconds is 12.5 m

D

the distance travelled in first 3 seconds is 17.5 m

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A, C
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MOTION-KINEMATICS-EXERCISE 2 OBJECTIVE PROBLEMS (Level-2)
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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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  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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  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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