Physics - Kinematics Question with Solution | TestHub
PhysicsKinematicsRelativeMedium2 minQB
PhysicsMediumsingle choice
A river is flowing from north to south at a speed of . A man on the west bank of the river, capable of swimming at in still water, wants to swim across the river in the shortest time. He should swim in the direction:
Options:
Answer:
A
Solution:
To cross in the shortest time the swimmer must maximise the component of his velocity across the river, i.e. head perpendicular to the bank (due east). The current only adds downstream drift. Option A.
Stream:JEESubject:PhysicsTopic:KinematicsSubtopic:Relative
⏱ 2mℹ️ Source: QB
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