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A ship A is moving Westwards with a speed of $10 k m h^{- 1}$ and a ship $B$ $100 k m$ 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 B

VAB=102 kmph Displacement of A relative to B when they are closest is 1002kmtime t=100/2102=5 h .

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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 $B$ $100 k m$ 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