Math Problem Statement
Sebuah baja dengan kekuatan tarik 900 MPa dan modulus elastisitas 210 GPa mengalami deformasi plastis hingga mencapai regangan 0,15. Jika energi total yang diserap oleh material tersebut adalah 25.000 J, hitunglah volume material yang terdeformasi.
Select one:
a. 9,35 cm³
b. 8,15 cm³
c. 10,25 cm³
d. 5,35 cm³
e. 6,25 cm³
Solution
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Math Problem Analysis
Mathematical Concepts
Physics of materials
Elastic and plastic deformation
Volume calculation from energy absorption
Formulas
E_plastis = (1/2) * σ_y * ε_p * V
Conversion between m³ and cm³ (1 m³ = 1,000,000 cm³)
Theorems
Energy absorption in materials under deformation
Suitable Grade Level
Grades 11-12 or College level (Engineering/Physics)
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