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Viktor [21]
3 years ago
10

What is the displacement of a student who walks 12 m North, 5 m West, 3 m South,

Physics
1 answer:
Contact [7]3 years ago
6 0

When you draw all 4 of those moves, you see that he winds up 9m North and 11m West of where he started.

So the magnitude of his displacement is

D = √(9² + 11²)  m²

D = √(81 + 121)  m²

D = √(202)  m²

<em>D = 14.2 m</em>

The direction is arctan(-11/9) = <em>50.7° west of North</em>

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