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A car is moving along a straight (OP). I...

A car is moving along a straight (OP). It moves from `O to P` in `18 seconds` amd retuns from `P to Q` in 6 seconds`, where `OP=360 m` and `OQ=240 m What are the car the average velcoty and average speed of the car in going (a) from `Oto P` and back to `Q` ?

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To solve the problem, we need to calculate the average velocity and average speed of the car during its journey from point O to point P and then back to point Q. ### Step-by-Step Solution: 1. **Identify the given data:** - Distance from O to P (OP) = 360 m - Distance from O to Q (OQ) = 240 m - Time taken from O to P = 18 seconds ...
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NCERT ENGLISH-MOTION IN A STRAIGHT LINE-EXERCISE
  1. A car is moving along a straight (OP). It moves from O to P in 18 seco...

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  2. In which of the following exmples of motion, can the body be considere...

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  3. The position-time (x-t) graphs for two children A and B returning from...

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  4. A woman starts from her home at 9.00 a.m., walks with a speed of 5 km ...

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  5. A drunkard walking in a narrow lane takes 5 steps forward and 3 steps ...

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

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

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

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

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

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

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

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  13. A ball is dropped from a height of a height of 90 m on a floor. At eac...

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  14. Explain clearly, with ezamples, the difference between : (a) magnitu...

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

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  16. The instantaneous speed is always equal to the magnitude of instantane...

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

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  18. Fig. shows x-t plot of one dimensional motion a particle. Is it correc...

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  19. A police van moving on a highway with a speed of 30 km h^(-1) Fires a ...

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  20. Suggest a suitable physical situation for each of the following graph ...

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  21. Fig gives the x-t plot of a particle executing one dimensional simple ...

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