A spelunker is surveying a cave. She follows a passage 140 m straight west, then 290 m in a direction 45? east of south, and then 280 m at 30? east of north. After a fourth unmeasured displacement, she finds herself back where she started. Use a scale drawing to determine the magnitude of the fourth displacement. Determine the direction of the fourth displacement.
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A spelunker is surveying a cave. She follows a passage 140 m straight west, then 290 m in a directio...
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