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Aparna Tiwari Grade: 12
        

A bird is flying with velocity 5i+6j wrt wind and wind is blowing along x-axis with velocity u.If bird starts moving from A and after sometime reaches point B with AB making an angle of 37 deg with x axis.Find the value of u.

6 years ago

Answers : (1)

Chetan Mandayam Nayakar
312 Points
										

Dear Aparna, 


Net velocity= 5i+6j+ui=(5+u)i+6j, (5+u)/6=cot37,u=6cot37-5=2.96


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Chetan Mandayam Nayakar – IIT Madras

6 years ago
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