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Wind is blowing in north direction at speed of 2m/s which causes rain to fall at some angle with the vertical.with what velocity should a cyclist drive so that rain appears vertical to him

Wind is blowing in north direction at speed of 2m/s which causes rain to fall at some angle with the vertical.with what velocity should a cyclist drive so that rain appears vertical to him

Grade:11

2 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
4 years ago
Khimraj
3007 Points
4 years ago
Answer should be 2m/sec in the direction of wind i.e north. the given problem requires the cyclist to move such that the relative velocity in the horizontal plane should be zero so that rain drops appears to fall virtically.hence he requires to move with exactly the same velocity as the rain drops in the horizontal plane so that relative velocity in horizontal plane is zero.Now the rain drops are being carried away with the wind and have same velocity as the wind in horizontal direction that is 2m/sec in north direction hence he should move with 2m/sec in north direction

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