dla małych kątów cp: dxdy = rcos1q>drd<p = rdrdy dV = rdrckpdz
h
z Km
J, = |p\x1 + y*)pv = J JJp(r1cos1 ę+r1 sin1 ę^drdtpdz = r I
2jt
na
4 7
dędz = ptf- \[ę\Kdz=p?-2Ązfh= p?-2jc
*0 LJo
h h —+ — 2 2
a1 2T °1 rr °1 **
= —mhp = —Vp = — M
1
y % 2