A spelunker is surveying a cave. She follows a passage 180 m straight west, then 210 m in a direction 45∘∘ east of south, and then 280 m at 30∘∘ east of north. After a fourth displacement, she finds herself back where she started. Use a scale drawing to determine the magnitude and direction of the fourth displacement .
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Explanation:
A spelunker is surveying a cave. She follows a passage 180 m straight west, then 210 m in a direction 45∘∘ east of south, and then 280 m at 30∘∘ east of north. After a fourth displacement, she finds herself back where she started. Use a scale drawing to determine the magnitude and direction of the fourth displacement .
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