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23 July, 07:30

If you travel 1.7 km north from your house at noon, and at 6:00 PM you travel 5.4 km south, what is your displacement? 3.7 km north 3.7 km south 7.1 km north 7.1 km south

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  1. 23 July, 07:54
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    Answer

    3.7 Km south

    Explanation

    The definition of displacement is the distance traveled in a specific direction. It is the vector quantity. We add displacements like the way we add vectors.

    Taking the direction towards North to be positive (+1.7 Km), the distance towards south would be negative (-5.4 Km).

    Now lets add the two values.

    (+1.7) + (-5.4) = 1.7 - 5.4

    = - 3.7 Km But negative was towards south.

    ∴ Answer = 3.7 Km south.
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