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Two ships A and B are 4 km apart. A is d...

Two ships A and B are 4 km apart. A is due west of B. If A moves with a uniform velocity of 8 km `hr^(-1)` due east and B moves with a uniform velocity of 6 km `hr^(-1)` due south, calculate (i) the magnitude of velocity of A relative to B, (ii) the closest distance apart of A and B.

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The correct Answer is:
(i) `10kmhr^(-1)` (ii) 2.4 km
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