Physics - Kinematics Question with Solution | TestHub
PhysicsKinematicsRelativeMedium3 minQB
PhysicsMediuminteger
A boy can swim in still water at 1 m/s. He swims across a river flowing at 0.6 m/s which is 336 m wide. If he travels in shortest possible time, then what time (in sec) he takes to cross the river?
Answer:
336
Solution:
Shortest time: swim straight across with full speed 1 m/s perpendicular to the banks (river drift does not matter)..
Stream:JEESubject:PhysicsTopic:KinematicsSubtopic:Relative
⏱ 3mℹ️ Source: QB
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