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07-12-2016
Physics

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A 17,000-kg airplane lands with a speed of 82 m/s on a stationary aircraft carrier deck that is 115 m long. find the work done by nonconservative forces in stopping the plane

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MissPhiladelphia MissPhiladelphia

10-12-2016

In physics, a force is said to do work if, when acting, there is a displacement of the point of application in the direction of the force. Nonconservative force for this question refers to FRICTIONAL force.

By conservation of energy,

Work done by Frictional force = Kinetic energy = 1/2(17000)(82)^2 = 57MJ

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