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Motion in A Plane question

2025 · 2 Apr · Shift 1 · Q54
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  5. /2025 · 2 Apr · Shift 1 · Q54

Motion in A Plane question

2025 · 2 Apr · Shift 1 · Q54

JEE MainPhysicsMotion in A PlaneMCQ+4 / −1
A river is flowing from west to east direction with speed of 9 km h−19 \mathrm{~km} \mathrm{~h}^{-1}9 km h−1. If a boat capable of moving at a maximum speed of 27 km h−127 \mathrm{~km} \mathrm{~h}^{-1}27 km h−1 in still water, crosses the river in half a minute, while moving with maximum speed at an angle of 150∘150^{\circ}150∘ to direction of river flow, then the width of the river is :
  1. A
    112.5 m
  2. B
    75 m
  3. C
    300 m
  4. D
    112.5×3 m112.5 \times \sqrt{3} \mathrm{~m}112.5×3​ m
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