Скачать или смотреть Swimmer Crossing a River | Shortest Path Concept | NEET I PYQ 2019

In this video, we solve a classic river–boat/swimmer problem based on relative velocity, asked in 2019 competitive exams.

🔍 Question:
The speed of a swimmer in still water is 20 m/s.
The river flows due east with a speed of 10 m/s.

The swimmer is standing on the south bank and wants to cross the river along the shortest path.

Find the angle at which he should make his strokes with respect to north.

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📌 Key concepts explained:
• Relative velocity of swimmer and river
• Condition for shortest path (no drift)
• Vector resolution of velocities
• Direction of swimming with respect to north

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