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A ship A is moving Westwards with a speed of $10 k m h^{- 1}$ and a ship B 100 km South of A, is moving Northwards with a speed of $10 k m h^{- 1}$ . The time after which the distance between them becomes shortest,is

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Correct option is C

VA=−10 i^ VB=10j^VA−VB=−10i^−10j^θ=450,x=1002 kmvrel=102 kmt=xvrel=100/2102=1002×10=5 hrs

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A ship A is moving Westwards with a speed of 10 km h–1 and a ship B 100 km South of A, is moving Northwards with a speed of 10 km h–1 . The time after which the distance between them becomes shortest,is

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Ready to Test Your Skills?

free study material

A ship A is moving Westwards with a speed of $10 k m h^{- 1}$ and a ship B 100 km South of A, is moving Northwards with a speed of $10 k m h^{- 1}$ . The time after which the distance between them becomes shortest,is