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2) Find the moment of inertia and the radius of gyration of: y=x2 , X=0 and...

2) Find the moment of inertia and the radius of gyration of: y=x2 , X=0 and y=9 about the y-axis. Assume ? = 5. (Hint: This is rotating a flat plate, like a flag. Not a volume as in #3 and #4) ANSWER- Iy=162 R=Sq.Root(162/18)

3) Find the moment of inertia and the radius of gyration of the solid formed by rotating y=3x, y=0 and x=2 about the y-axis. Assume ? = 15. Answer- Iy= 176pi R= Sq.root(276pi/240pi) Need the steps

4) Find the moment of inertia and the radius of gyration of the solid formed by rotating y=4x2 ,y=0 and x=2 about the x-axis. Assume ? = 1.Ix= 2pi(32678/9) Need the steps

10)Find the average value of the function f(x)= 1/ x^(1/2) from x=1 to x=4

Ans- 2/3 Need the steps

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