Laxmidevi standing on a railway overbridge of ` 5sqrt(3)` metres height observed the engine of the
Channel: Doubtnut
Date: 2020-05-09

Laxmidevi standing on a railway overbridge of ` 5sqrt(3)` metres height observed the engine of the train from one side of the bridge of depression of `30^(@)` . But just after 2 seconds, she observed the engine at an angle of depression of `45^(@)` from the other side of the bridge. Find the speed of the train in metres per second.