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A boy goes to the market at an average s...

A boy goes to the market at an average speed of 29 km/h. finding the market closed, he immediately returns back by the same path with an average speed of 40 km/h, if the boy covers half the path during his return journey. Find the average speed and average velocity.

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MODERN PUBLICATION-MOTION-EXAMPLE
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  11. On a 120km road, a car travels the first 30km with at a uniform speed ...

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  12. A train covers half of its journey with a speed of 30 metre per second...

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  13. A train travels at a speed of 60 km/h for 0.52 h, at 30 km/h for the n...

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  14. A man walks at 1m/s for 60 minutes he takes rest for 20 minutes and th...

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  19. Interpret the distance-time graph.

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  21. From the position-time graph given find the distance travelled between...

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