A ship'A' steams down to North at 16 kmph, and ship 'B' due west at 12 kmph. Relative velocity of B of w.r.t. A is

A ship'A' steams down to North at 16 kmph, and ship 'B' due west at 12

1.	A ship'A' steams down to North at 16 kmph, and ship 'B' due west at 12 kmph. Relative velocity of B of w.r.t. A is
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