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Grade: 10

                        

A model airplane of mass 0.75 kg is flying at constant speed in a horizontal circle at one end of a 33-m cord and at a height of 18 m. The other end of the cord is tethered to the ground. The airplane makes 4.4 rev/min and the lift is perpendicular to the unbanked wings. (a) What is the acceleration of the plane? (b) What is the tension in the cord? (c) What is the lift produced by the plane's wings?

5 years ago

Answers : (1)

Jitender Pal
askIITians Faculty
365 Points
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Therefore the radius of the circle traced by the plane is 27.6.

235-680_1.PNG
235-976_1.PNG
Therefore, the tension in the cord is 5.2 N .
235-1044_1.PNG
Therefore the lift experienced by the airplane is 12.5 N .
5 years ago
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