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A car travels the first half of a distan...

A car travels the first half of a distance between two places a speed of `30//hr ` and the second half of the distance a `50 km//hr`. The average speed of the car for the whole joumey is

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The correct Answer is:
`37.5km//hr`
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A car travels the first half of a distance between two places a speed of 30 km/hr and the second half of the distance a 50 km/hr. The average speed of the car for the whole journey is

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AAKASH SERIES-MOTION IN A STRAIGHT LINE-EXERCISE (LEVEL 2)
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  2. A car travels the first half of a distance between two places a speed ...

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  3. A car moves for half of its time at 80 km//h and for rest half of time...

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  4. One car moving on a straight road covers one third of the distance wit...

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

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  6. A body starts with a velocity (2hati+3hatj+11k) m//s and moves with an...

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  7. A car moving at a constant speed of 36kmph moves north wards for 20 mi...

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  8. Moving with a uniform acceleration from the state of rest a body cover...

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  9. A car travelling at 108 km//hour has its speed reduced to 36 km//hour ...

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  10. A car moving with constant acceleration crosses two points A and B wit...

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  11. A body covers 200 cm in the first 2 sec and 220 cm in the next 4 sec u...

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  12. Two cars X and Y start off to a race on a straight path with initial v...

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  13. The displacement x of a particle moving in one direction is given by t...

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  14. If a body loses half of its velocity on penetrating 3 cm in a wooden b...

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  15. A particle moving with uniform acceleration haas its final velocity (v...

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  16. A person is running at his maximum speed of 4 m//s to catch a train ....

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  17. When a man stands on a moving escalator he goes up in 500 sec . And wh...

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  18. An object describes 225 m in the first 3s and 400m in the next 2s . Ca...

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  19. Ewhen a stone is dropped into a well, the splash of water is heard aft...

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  20. Two stones are thrown up simultaneously from the edge of a cliff 200m ...

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