t2

A

`140 km h^(-2)`

B

`160 km h^(-2)`

C

`100 km h^(-2)`

D

`120 km h^(-2)`

Text Solution

Verified by Experts

The correct Answer is:
B
Maximum acceleration will represented by CD part.
`a = (dv)/(dt) = (60-20)/(1.25-1.00) = (40)/(0.25) = 160 m//s^2`
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ERRORLESS-MOTION IN ONE DIMENSION-NCERT BASED QUESTIONS (NON-UNIFORM MOTION )
  1. The graph between displacement and time for a particle moving with uni...

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  2. Figure given shows the distance - time graph of the motion of a car. I...

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  3. Which of the following graphs can not possibly represent one dimension...

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  4. Look at the graphs (a) to (d) carefully and indicate which of these po...

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  5. Velocity-time graph for a moving object is shown in the figure. Total ...

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  6. Figures (i) and (ii) below show the displacement-time graphs of two pa...

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  7. For the velocity time graph shown in Fig. 2 (CF).14, the distance cove...

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  8. The displacement-time graph of moving particle is shown below The...

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  9. Which of the following graph represents uniform motion

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  10. t2

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  11. The area under acceleration-time graph gives

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  12. Which of the following velocity-time graphs represent uniform motion

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  13. A particle shows distance-time curve as given in this figure. The maxi...

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  14. An object is dropped from rest. Its v-t graph is

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  15. v -t graph for a particle is as shown. The distance travelled in the f...

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  16. A boy begins to walk eastward along a street in front of his house and...

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  17. A body is travelling in a straight line with uniformly increasing spee...

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  18. Acceleration-time graph of a body is shown. The corresponding velocity...

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  19. A particle starts from rest at t= 0 and undergoes and acceleration (a...

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  20. A body is moving with velocity 30 m//s towards east. After 10 s its ve...

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