Prokofiev V.L - solution to the entire option 08 in physics KR1

Task 1.8

Given: a material point moves in a circle with a radius of 20 m, the equation for the dependence of the path on time is s=t3+4t2-t+8. It is necessary to find the distance traveled, angular velocity and angular acceleration of a point after 3 s from the beginning of its movement.

Task 1.18

Given: two particles move towards each other at a speed of 0.8 s. It is necessary to find the speed of their relative movement.

Task 1.28

Given: a speed skater weighing 60 kg, wearing skates on ice, throws a stone weighing 2 kg at a speed of 10 m/s in the horizontal direction. The coefficient of friction between skates and ice is 0.02. It is necessary to find the distance to which the skater will roll.

Task 1.38

Given: a proton and an alpha particle pass through the same accelerating potential difference, after which the mass of the proton is half the rest mass of the alpha particle. It is necessary to find the potential difference.

Task 1.48

Given: a cylinder with a capacity of 0.8 m3 contains 2 kg of hydrogen and 2.9 kg of nitrogen at an ambient temperature of 27 °C. It is necessary to find the pressure of the mixture.

Task 1.58

Given: it is necessary to find the diffusion coefficient of nitrogen at a pressure of 0.5 • 105 Pa and a temperature of 127 °C.

Task 1.68

Given: it is necessary to determine in which process it is more profitable to heat 2 moles of argon at 100 K: a) isobaric; b) isochoric.

Task 1.78

Given: it is necessary to find the change in entropy when 2 kg of lead is melted and then cooled from 327 to 0 °C.

Prokofiev V.L - solution to the entire option 08 in physics KR1

This digital product is an ideal solution for those preparing for a physics exam. It contains a complete solution to the entire version 08 in physics KR1, developed by an experienced physics teacher - V.L. Prokofiev.

In this solution you will find detailed answers to all problems of the variant, which will help you better understand the material and prepare for the exam. All solutions are presented in an easy-to-understand format with step-by-step explanations of each step and accompanied by colorful illustrations and graphs.

This digital product is a necessary tool for students and anyone who teaches physics on their own. You can easily download it from our digital store and start using it right away!

Prokofiev V.L - solution to the entire version 08 in physics KR1 is a digital product designed to prepare for the physics exam. It contains a complete solution to all problems of option 08 in physics KR1, developed by an experienced physics teacher - V.L. Prokofiev.

Problem solving is presented in an easy-to-understand format with step-by-step explanations of each step and accompanied by colorful illustrations and graphs. In this solution you will find detailed answers to all problems of the variant, which will help you better understand the material and prepare for the exam.

Problems included in the solution include determining the distance traveled, angular velocity and angular acceleration of a material point moving in a circle, determining the speed of relative motion of two particles, determining the distance to which a skater will roll, determining the potential difference, mixture pressure, nitrogen diffusion coefficient , entropy changes during lead melting and other problems.

This digital product is a necessary tool for students and anyone who teaches physics on their own. You can easily download it from our digital store and start using it right away!

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The solution to the entire version 08 of physics KR1, consisting of 8 problems, is for sale. The problems examine various physical phenomena, such as the motion of a material point in a circle, the relative motion of particles, calculating the distance of a skater's roll, determining the potential difference, and others. The solution includes detailed step-by-step calculations, calculations and answers to all problems. The solution was carried out by the author V.L. Prokofiev.

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