Solving the physics challenge

Employer
[no-member:pro]Kirill[/no-member:pro]
Project parameters
Type of cooperationOne-time project
SectionEducation and consulting
Prepaymentwithout prepayment
Acceptance of requestsfrom Jan 10, 2022 until Jan 15, 2022
Project description
The services of a specialist in solving problems in physics are required. You need to solve the problem 27.14 in the photo and add to the second photo, you need to solve. In the second photo, the question number 27.18