🌎OIbF style
Mechanics I — Mock Exam
Three multi-step problems under a 90-minute training window.
MomentumRotationEnergy
Open training set →Train under competition-style constraints with curated mock exams and historical problem sets.
Three multi-step problems under a 90-minute training window.
A curated set emphasizing modeling, approximations and mathematical reasoning.
Measurement strategy, uncertainty propagation and graph interpretation.
Future Arena iterations will add full timers, section navigation, scoring rubrics and post-exam diagnostics. V3.1 establishes the navigation and connects Arena training to the functional problem engine.