Math Problem Statement
Диск вращается с угловым ускорением 2,2 рад/с относительно оси, проходящей через его центр. Найти для материальной точки, принадлежащей диску и лежащей на расстоянии 4 см от оси вращения тангенциальное нормальное и полное ускорение к концу третьей секунды от начала вращения
Solution
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Math Problem Analysis
Mathematical Concepts
Angular Acceleration
Tangential Acceleration
Normal Acceleration
Kinematics of Rotational Motion
Formulas
Tangential acceleration: a_τ = α * r
Angular velocity: ω = ω_0 + α * t
Normal acceleration: a_n = ω^2 * r
Total acceleration: a = sqrt(a_τ^2 + a_n^2)
Theorems
Kinematic equations for rotational motion
Pythagorean theorem for vector magnitude
Suitable Grade Level
Grades 9-12
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