Prokofiev V.L - solution to the entire option 05 in physics KR1

Problem 1.5. It is necessary to determine the force acting on a body weighing 2 kg 5 seconds after the start of acceleration, varying according to the law a = 5t-10, as well as its speed at the end of the 5th second. Problem 1.15. The intrinsic lifetime of the n-meson is given (2.6 • 10-8 s). It is necessary to find the lifetime of the i-meson for an observer relative to which this particle moves at a speed of 0.8 s. Problem 1.25. The hoop and disk roll down an inclined plane making an angle of 30° with the horizontal. It is necessary to determine the acceleration of the hoop and disk at the end of the descent, provided that the friction force can be neglected. Problem 1.35. It is required to find the speed of an electron if its relativistic mass is three times greater than its rest mass. It is also necessary to calculate the kinetic and total energy of the electron. Problem 1.45. A cylinder with a capacity of 50 liters contains compressed hydrogen at 27 °C. After some of the air was released, the pressure dropped by 1 • 105 Pa. It is necessary to determine the mass of hydrogen released. The process is considered isothermal. Problem 1.55. It is necessary to find the coefficient of internal friction of oxygen at a temperature of 400 K. Problem 1.65. Oxygen, occupying a volume of 10 liters and under a pressure of 2 • 105 Pa, is adiabatically compressed to a volume of 2 liters. It is required to find the work of compression and the change in the internal energy of oxygen. Problem 1.75. The refrigeration machine operates according to the reverse Carnot cycle, efficiency. which is 400%. It is necessary to determine the efficiency. this machine if it operates on a direct Carnot cycle. Prokofiev V.L - the solution to the entire version 05 in physics KR1 is a digital product intended for schoolchildren and students studying physics. This product includes a complete solution to option 05 in physics KR1, which can be used to prepare for exams, knowledge testing, or simply to study the material on your own. The solution includes a detailed description of all stages of solving problems, including their conditions, a step-by-step description of the formulas and methods used, as well as final answers. In addition, this digital product has a beautiful html design, which makes its use more convenient and enjoyable. Prokofiev V.L - the solution to the entire option 05 in physics KR1 is an excellent tool for those who want to improve their knowledge in physics, increase their academic performance and prepare for exams with maximum efficiency.

Prokofiev V.L - the solution to the entire option 05 in physics KR1 is a digital product that contains a complete solution to all problems of option 05 in physics KR1. This product is intended for schoolchildren and students who study physics and want to prepare for exams, testing or improve their knowledge in this area.

The solution to each problem in this option contains its condition, a step-by-step description of the formulas and methods used, as well as the final answer. All solutions are designed in a beautiful html format, which makes their use more convenient and enjoyable.

The problems solved in this product include topics such as mechanics, electrodynamics, thermodynamics and others. Prokofiev V.L - the solution to the entire option 05 in physics KR1 is an excellent tool for those who want to improve their performance, prepare for exams and improve their knowledge in physics.

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Prokofiev V.L - solution to the entire option 05 in physics KR1 - this is a collection of solutions to problems in physics corresponding to option 05 of Examination No. 1. This collection contains solutions to problems numbered 1.5, 1.15, 1.25, 1.35, 1.45, 1.55, 1.65 and 1.75.

In problem 1.5, it is required to determine the force and speed of a body weighing 2 kg, which moves with acceleration varying according to the law a = 5t-10 5 s after the start of the action. In Problem 1.15, it is necessary to find the lifetime of the n-meson for an observer relative to which this particle moves at a speed of 0.8 s, if it is known that the proper lifetime of the n-meson is 2.6 • 10-8 s.

Problem 1.25 requires determining the accelerations of a hoop and a disk rolling down an inclined plane making an angle of 30° with the horizontal at the end of the descent. In problem 1.35, it is necessary to find the speed of the electron if its relativistic mass is three times the rest mass, and also calculate the kinetic and total energy of the electron.

Problem 1.45 requires determining the mass of hydrogen released if a 50-liter cylinder contains compressed hydrogen at 27 °C, and after some of the air has been released, the pressure drops by 1 • 105 Pa. The process is considered isothermal.

In Problem 1.55, you need to determine the coefficient of internal friction of oxygen at a temperature of 400 K. Problem 1.65 requires you to find the work of compression and the change in internal energy of oxygen if oxygen, occupying a volume of 10 liters and under a pressure of 2 • 105 Pa, is adiabatically compressed to a volume of 2 liters.

In problem 1.75, you need to determine the efficiency of a refrigeration machine that operates in the forward Carnot cycle, if it is known that its efficiency in the reverse Carnot cycle is 400%.

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