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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

50 sec

B

10 sec

C

100 sec

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
For shortest distance `(dl)/(dt)=0 rArr t=50 sec`
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