A model airplane of mass 0.3 kg is attached to a horizontal string and flies in a horizontal circle of radius 5.9 m, making 1.6 revolutions every 4 s. (The weight of the plane is balanced by the upward “lift” force of the air on the wings of the plane.) The accelaration due to the gravity is 9.81 m/s2 Find the tension in the string. Answer in units of N.

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Chapter1: Units, Trigonometry. And Vectors
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A model airplane of mass 0.3 kg is attached
to a horizontal string and flies in a horizontal
circle of radius 5.9 m, making 1.6 revolutions
every 4 s. (The weight of the plane is balanced
by the upward “lift” force of the air on the
wings of the plane.)
The accelaration due to the gravity is 9.81
m/s2 Find the tension in the string.
Answer in units of N.

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