7.3 Volume by Glindrical Shells
U
V=V₂-Ve
We ar²h-tre
24
=2rDrfh
= far) hor
fox) = 4
= (1-r²)
=nh(VO-VEX (rotry) 273 Avg. Circumforce
= ½/h (Dr) (rov₂)
u = height
Dr= Thickness
אם
1
let fees >o
on as xeb
24<=2xx
and rotating about.
y-axis (X=O)
V≈7 (24x) (f(x)) (^ox)
3
(im V₁ = n( ) = 5° 2xx farda!
лжо
dx
U
V=V₂-Ve
We ar²h-tre
24
=2rDrfh
= far) hor
fox) = 4
= (1-r²)
=nh(VO-VEX (rotry) 273 Avg. Circumforce
= ½/h (Dr) (rov₂)
u = height
Dr= Thickness
אם
1
let fees >o
on as xeb
24<=2xx
and rotating about.
y-axis (X=O)
V≈7 (24x) (f(x)) (^ox)
3
(im V₁ = n( ) = 5° 2xx farda!
лжо
dx
