edmundg72481 edmundg72481
  • 09-01-2024
  • Physics
contestada

A circular disc is to be made by using iron and aluminium, so that it acquires maximum momentum of inertia about its geometrical axis. It is possible with
A. Iron and aluminium layers in alternate order
B. Aluminium at interior and iron surrounding it
C. Iron at interior and aluminium surrounding it
D. Either (a) or (c)

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