Question

find centre of mass of a hemisphere?

Answer 1

@AbbeyD16 @agentc0re @CarlosGP @sami-21 @a

Answer 2

@annas

Answer 3

i will use integral method :P
are you familiar with integration ?

Answer 4

yes

Answer 5

triple integrals ?

Answer 6

@sami-21 hlp me out

Answer 7

i was going for the same approach which anas has posted:P
let me think of alternative>

Answer 8

@Ruchi. i also found this http://hyperphysics.phy-astr.gsu.edu/hbase/cm.html

Answer 9

Maybe...You could use Guldino's theorem...I don't remember it very much but I remember I used it at high school when I didn't know anything about multivariable integration...

Answer 10

@Ruchi. i also found this http://www.mathsrevision.net/alevel/pages.php?page=78

Answer 11

its nt enoff @annas

Answer 12

ok sorry was just trying to help

Answer 13

the center of mass is at the center (axis) ... so x=0,y=0 ... you just have to find z.