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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?

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?

Grade:10

1 Answers

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

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Therefore, the tension in the cord is 5.2 N .
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Therefore the lift experienced by the airplane is 12.5 N .

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