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Two ships, V and W, move with constant v...

Two ships, V and W, move with constant velocities `2 ms^(-1)` and `4 ms^(-1)` along two mutually perpendicular straight tracks toward the intersection point O. At the moment `t=0`, the ships V & W were located at distances `100 m` and `200 m` respectively from the point O.
The distance between them will be shortest at t= ........

A

`2bhat(j)`

B

`a hat(j)`

C

`-2bhat(j)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
D
`l_("min")=sqrt((100-2xx50)^(2)+(200-4xx50)^(2))=0`
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