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Throwing and Catching at Same Height

A person trav...

Question

A person travels a distance of 7 km towards east from his house, then travels 7 km towards north and then a distance of 7 km towards east and finally 7 km towards north. What is the vertical distance travelled by him?

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Solution

Let A and E be the initial and the final positions. The vertical distance travelled $= B C + E D = (7 + 7) k m = 14 k m$ .

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