Jawabanmu

2014-05-28T20:32:24+07:00
P= F/A
= 600 N/400 X10^-4
P = 1,5 X 10^-4

2014-05-28T21:51:31+07:00
P = F/A
P = 600 / (400 . 10 ^-4)
P = 1,5 . 10^4 N/m²