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Byju's Answer
Standard XII
Physics
Moment of Inertia of a Disc
percentage er...
Question
percentage error in measuring the radius and mass of a solid sphere are 2% & 1% respectively. the error in measurement of moment of inertia with respect to its diameter ?
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Solution
Dear student
I
=
2
5
M
R
2
=
2
5
M
D
2
2
=
2
5
M
D
2
4
=
2
20
M
D
2
1
∆
I
I
=
∆
M
M
+
2
∆
D
D
%
I
=
%
M
+
2
%
D
=
1
+
2
×
2
=
5
%
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sin
c
e
t
h
e
%
e
r
r
o
r
i
n
d
i
a
m
e
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r
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s
s
a
m
e
a
s
r
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g
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r
d
s
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