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Figure. shows the x-t plot of one-dimens...

Figure. shows the x-t plot of one-dimensional motion of a particle. Is it correct to say from the graph that the particle moves in a straight line for `t lt 0` and on a parabolic path for `t gt 0` ? If not, suggest a suitable physical context for this graph.

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No, wrong. x-t plot does not show the trajectory of a particle. Context: A body is dropped from a tower (x = 0) at t = 0.
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NCERT GUJARATI-MOTION IN A STRAIGHT LINE-EXERCISES
  1. A drunkard walking in a narrow lane takes 5 steps forward and 3 steps ...

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  2. A jet airplane travelling at the speed of 500 km h^(-1) ejects its pro...

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  3. A car moving along a straight highway with speed of 126 km h^(-1) is b...

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  4. Two trains A and B of length 400 m each are moving on two parallel tra...

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  5. On a two-ane road, car A is travelling with a speed of 36 km h ^(-1). ...

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  6. Two towns A and B are connected by a regular bus service with a bus le...

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  7. A player throws a ball upwards with an initial speed of 29.4 ms^(-1) ...

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  8. Read each statement below carefully and state with reasons and example...

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  9. A ball is dropped from a height of 90 m on a floor. At each collision ...

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  10. Explain clearly, with examples, the distinction between : (a) magnitud...

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  11. A man walks on a straight road from his home to a market 2.5 km away w...

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  12. In Exercises 3.13 and 3.14, we have carefully distinguished between av...

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  13. Look at the graphs (a) to (d) (Fig.) carefully and state, with reasons...

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  14. Figure. shows the x-t plot of one-dimensional motion of a particle. Is...

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  15. A police van moving on a highway with a speed of 30 kmh^(-1) fires a b...

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  16. Suggest a suitable physical situation for each of the following graphs...

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  17. Figure. gives the x-t plot of a particle executing one-dimensional sim...

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  18. Figure. gives the x-t plot of a particle in one-dimensional motion. Th...

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  19. Figure. gives a speed-time graph of a particle in motion along a const...

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  20. A three wheeler starts from rest, accelerates uniformly with 1 ms-2 on...

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