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a boat is moving downstream in a river. the river is flowing with a constant speed. at a certain point 'a' boat crosses free floating bouy . after this point a boat keeps moving for 1hr. and then turns around . it crosses the bouy again at a point b . if distance between point a and b is 3 km. find the speed of the river.

a boat is moving downstream in a river. the river is flowing with a constant speed. at a certain point 'a' boat crosses free floating bouy . after this point a boat keeps moving for 1hr. and then turns around . it crosses the bouy again at a point b . if distance between point a and b is 3 km. find the speed of the river.

Grade:10

1 Answers

Gaurav Gupta
askIITians Faculty 686 Points
6 years ago
ans- 1.5 Km/hr
float velocity=river velocity

564-514_boat.jpg

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