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A frigate bird is soaring in a horizontal circular path. Its bank angle is estimated to be 25° and it takes 13 s for the bird to complete one circle. (a) How fast is the bird flying? (b) What is the radius of the circle? (See "The Amateur Scientist" by Jear! Walker, Scientific American, March 1985, p. 122,)

A frigate bird is soaring in a horizontal circular path. Its bank angle is estimated to be 25° and it takes 13 s for the bird to complete one circle. (a) How fast is the bird flying? (b) What is the radius of the circle? (See "The Amateur Scientist" by Jear! Walker, Scientific American, March 1985, p. 122,)

Grade:10

1 Answers

Jitender Pal
askIITians Faculty 365 Points
8 years ago
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Therefore the speed of the bird is 9.46 m/s.
235-2194_1.PNG
Therefore the radius of the circle traced by the bird is 19.5 m

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