Solution to problem 15.7.3 from the collection of Kepe O.E.

Let's consider loads 1 and 2 of the same mass m, which are connected by a flexible thread and move along a horizontal plane. The initial speed of the system is vo = 2 m/s. If the bodies stop after traveling a distance of 4 m, then it is necessary to determine the coefficient of sliding friction.

Answer:

According to the law of conservation of energy, the kinetic energy of the system at the initial moment of time is equal to the kinetic energy at the final moment of time:

μmgx = 1/2mvо²

where μ is the coefficient of sliding friction between the loads and the horizontal surface, g is the acceleration of free fall, x is the path traveled by the system before stopping.

From the problem conditions x = 4m, vo = 2 m/s and m1 = m2 = m, therefore:

μmgx = 1/2mvо²

μg = vо²/2x

μ = vо²/2gx

Substituting numerical values, we get:

μ = (2 m/s)²/(2*9.81 m/s²*4 m) ≈ 0.101 ≈ 0.10 (answer rounded to hundredths)

Thus, the coefficient of sliding friction between the loads and the horizontal surface is 0.10.

Solution to problem 15.7.3 from the collection of Kepe O..

This digital product is a solution to problem 15.7.3 from the collection of problems on physics by Kepe O.. This problem considers the movement of loads connected to each other by a flexible thread on a horizontal plane. The solution to the problem includes detailed step-by-step instructions for solving it, based on the application of the law of conservation of energy. As a result of performing this task, the coefficient of sliding friction between the loads and the horizontal surface is determined.

The digital product is presented as a PDF file and can be downloaded immediately after payment. The solution to the problem is presented in a convenient and understandable format, which makes it accessible for use by both students and teachers in preparing for lessons and exams.

By purchasing this digital product, you receive a high-quality and reliable solution to problem 15.7.3 from the collection of Kepe O.., which will help you better understand and master the material in physics.

This product is a solution to problem 15.7.3 from the collection of problems in physics by Kepe O.. In this problem, it is necessary to determine the coefficient of sliding friction between the loads and a horizontal surface, if weights 1 and 2 of the same mass m, connected by a flexible thread, move along a horizontal plane with initial speed vo = 2 m/s and stop after traveling a distance of 4 m.

The solution to the problem is based on the application of the law of conservation of energy. The solution includes detailed step-by-step instructions for solving it, as well as numerical values ​​and the final answer. The solution is presented in a convenient and understandable format as a PDF file, which can be downloaded immediately after payment.

By purchasing this digital product, you receive a high-quality and reliable solution to the problem, which will help you better understand and master the material in physics. The solution can be used by both students and teachers when preparing for lessons and exams.

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This product is a solution to problem 15.7.3 from the collection of Kepe O.?. The task is to determine the sliding friction coefficient if two loads of the same mass m, connected by a flexible thread, move along a horizontal plane with a speed vо = 2 m/s and stop after traveling a distance of 4 meters.

The solution to this problem involves the application of the laws of mechanics and physics, as well as the use of formulas relating the coefficient of friction, the mass of bodies and the distance traveled. The final answer obtained by solving the problem is 5.10 - 10-2.

Thus, by purchasing this product, you receive a ready-made solution to problem 15.7.3 from the collection of Kepe O.?. with a step-by-step description of the solution and answer.

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