The Displacement of Harry Potter 1

Geometry Level 1

Harry is walking around the muggle neighborhood. He walks 5. kilometers North, and then 5. kilometers east. His displacement is closest to:

7.1 km NorthEast 10 km NorthWest 10 km NorthEast 7.1 km NorthWest

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2 solutions

Refer to the diagram:

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Lucas Tu
May 31, 2020

It can't be north-west because it clearly states that Harry has gone east not west.

Next, it can't be 10 km because it can't be possible.

So the answer can only be 7.1 km north-west.

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