COSMOS: Complete Online Solutions Manual Organization System
Chapter 9, Solution 6.
SOLUTION
5
At x = a, y = b : b = ka 2
or k =
∴y =
b
5
a2
b
a
5
x2
5
2
I x = ∫ y 2dA
=
b
a
2
y 5 dy
b
2
∫0 y
a
dA = xdy
2
5
5 175
= 2 ×
y
b 5 17
b
0
17
5a b 5
=
17 b 52
or I x =
5 3
ab
17
COSMOS Chapter 9 Solution 6
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