A river is flowing from west to east direction with speed of 9 km h ⁻¹. If a boat capable of moving at a maximum speed of 27 km h ⁻¹ in still water, crosses the river in half a minute, while moving with maximum speed at an angle of 150° to direction of river flow, then the width of the river is:

Kinematics: JEE Main 2025 Physics question

JEE Main 2025 · 2 Apr, Morning shift · Q34

JEE Main 20252 Apr, Morning shiftPhysicsMediumKinematics177× since 2002

A river is flowing from west to east direction with speed of 9 km h

^{-1}

. If a boat capable of moving at a maximum speed of 27 km h

^{-1}

in still water, crosses the river in half a minute, while moving with maximum speed at an angle of

150^\circ

to direction of river flow, then the width of the river is :

JEE Main 2025 Kinematics Question with Solution (2 Apr Morning shift, Q34) | JEE Arc