Last Updated On [03-11-2023]
The M.I. of a body about the given axis is 
initially the body is at rest. In order to produce a rotational kinetic energy of 
, an angular acceleration of 
must be applied about that axis for duration of sec is
The M.I. of a body about the given axis is initially the body is at rest. In order to produce a rotational kinetic energy of , an angular acceleration of must be applied about that axis for duration of sec is
Question ID - 53044 :-
The M.I. of a body about the given axis is initially the body is at rest. In order to produce a rotational kinetic energy of , an angular acceleration of must be applied about that axis for duration of sec is
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The M.I. of a body about the given axis is |
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Rotational kinetic energy
Initially the body was at rest and after
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its angular velocity becomes 
Next Question :
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A circular disc is to be made by using iron and aluminium, so that it acquires maximum moment of inertia about its geometrical axis. It is possible with |
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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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