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A car moving with a velocity of 10m/s ca...

A car moving with a velocity of 10m/s can be stopped by the application of a constant force F In a distance of 20m. If the velocity of the car is 30m/s. It can be stopped by this force in

A

`(20)/(3)m`

B

20m

C

60m

D

180m

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The correct Answer is:
D
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ALLEN -MOTION IN A PALNE-EXERCISE-2
  1. A car moving with a speed of 40 km//h can be stopped by applying the b...

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  2. If a body starts from rest and travels 120 cm in the 6 second then wha...

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  3. A car moving with a velocity of 10m/s can be stopped by the applicatio...

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  4. A body is dropped from a tower with zero velocity, reaches ground in 4...

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  5. The graph between the displacement x and time t for a particle moving ...

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  6. A body starts from rest and travels a distance x with uniform accelera...

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  7. The position vector of a particle is given by vecr=vecr(0) (1-at)t, wh...

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  8. In the Q. 122 what will be the velocity of the particle when it return...

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  9. In the Q.122 how much distance is covered by the particle in returning...

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  10. The deceleration exerienced by a moving motor blat, after its engine i...

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  11. A body is thrown vertically upwards from A. The top of a tower . It re...

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  12. A particle is dropped from rest from a large height Assume g to be con...

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  13. A body is released from the top of a smooth inclined plane of inclinat...

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  14. A disc in which serval grooves are cut along the chord drawn from a po...

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  15. A body is slipping from an inclined plane of height h and length l . I...

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

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  17. Three boys A,B and C are situated at the vertices of an equilateral tr...

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  18. A particle start from rest and move with constant acceleration. Than v...

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  19. In the graph shown in fig. the time is plotted along x-axis. Which qua...

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  20. A particle of mass m is projected with velocity v making an angle of 4...

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