Consider an object of mass m = 4 kg on a frictionless table. The object experiences a repulsive force F = a/x2 + b/x, where F is in newtons and x is the position of the object relative to the origin.Write an expression for the work done by the repulsive force on the object as it moves from an initial position of x1 to a final position of x2. If the object starts at a position of x1 = 8.5 m apart, how much work, in joules, is required by an external force to bring it to a position of x2 = 2.5 m apart when a = 19 and b = 11? If the object starts at rest at a position x3 = 1.3 m and is released, at what speed v, in meters per second, will the object be moving when it is at position x4 = 12.5 m?

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Description: Consider an object of mass m = 4 kg on a frictionless table. The object experiences a repulsive force F = a/x2 + b/x, where F is in newtons and x is the position of the object relative to the origin.Write an expression for the work done by the repuls

Given:Mass of the object, m = 4 kgRepulsive force, F = a/x2 + b/x

Answered: Consider an object of mass m = 4 kg on…

Physics for Scientists and Engineers with Modern Physics

10th Edition

ISBN:9781337553292

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter7: Energy Of A System

Section: Chapter Questions

Problem 19P: (a) A force F=(4xi+3yj), where F is in newtons and x and y are in meters, acts on an object as the...

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Consider an object of mass m = 4 kg on a frictionless table. The object experiences a repulsive force F = a/x² + b/x, where F is in newtons and x is the position of the object relative to the origin.

Write an expression for the work done by the repulsive force on the object as it moves from an initial position of x₁ to a final position of x₂.

If the object starts at a position of x₁ = 8.5 m apart, how much work, in joules, is required by an external force to bring it to a position of x₂ = 2.5 m apart when a = 19 and b = 11?

If the object starts at rest at a position x₃ = 1.3 m and is released, at what speed v, in meters per second, will the object be moving when it is at position x₄ = 12.5 m?

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