Answered: A model airplane with a mass of 0.757…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

A model airplane with a mass of 0.757 kg is tethered by a wire so that it flies in a circle 29.2 m in radius. The airplane engine provides a net thrust of 0.809 N perpendicular to the tethering wire.

Find the torque the net thrust produces about the center of the circle.

Find the angular acceleration of the airplane when it is in level flight.

Find the linear acceleration of the airplane tangent to its flight path.

Definition Definition Rate of change of angular velocity. Angular acceleration indicates how fast the angular velocity changes over time. It is a vector quantity and has both magnitude and direction. Magnitude is represented by the length of the vector and direction is represented by the right-hand thumb rule. An angular acceleration vector will be always perpendicular to the plane of rotation. Angular acceleration is generally denoted by the Greek letter α and its SI unit is rad/s 2 .

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