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Two ships A and B are 10km apart on a li...

Two ships A and B are 10km apart on a line running south to north. Ship A farther north is streaming west at 20 km/h and ship B is streaming north at 20 km/h. Their distance of closest approach and how long do they take to reach it ?

A

`5sqrt(2)`km, 15 min

B

`5sqrt(2)` km, 1.5 min

C

`5sqrt(2)`km, 0.5 min

D

`5sqrt(2)`km, 15 sec

Text Solution

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The correct Answer is:
A
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