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Relative Velocity in 2D

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Question

I start from my home and go 2 km straight. Then, I turn towards my right and go 1 km. I turn again towards my right and go 1 km again. If I am North-West from my house , then in which direction did I go in beginning?

A

North

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B

South

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C

East

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D

West

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E

None of these

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Solution

The correct option is D West
Suppose the direction of walking in the beginning is North, the route is shown in the diagram. Clearly I am at C finally which is North-East of my house. But actually I am North-West. So I must have walk in the beginning towards West.

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Similar questions

Q. I start from my home and go 2 km straight. Then I turn towards my right and go 1 km. I turn again towards my right and go 1 km again. If I am in North-West direction from my house, then in which direction did I go in the beginning?

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