You cannot just plug numbers. You must write the differential equation of motion in a non-inertial frame, account for the Coriolis force (which vanishes in the steady state but is part of the rigor), and solve a calculus problem.
: Ensure you have a solid grasp of basic physics concepts. The olympiads often test the application of fundamental principles in novel situations. russian physics olympiad problems pdf upd
Yes. Russian olympiad problems are officially published for public use by the Ministry of Education. Distribution for non-commercial training is explicitly allowed. You cannot just plug numbers
: Variable friction, non-uniform fields, or changing refractive indices. or changing refractive indices.