ile wynosi pole powierzchni podstawy skrzynki jezeli cisnienie wywolane jej naciskiem wynosi 300hpa ,masa skrzynki 20 kg pomuzcie blagam bo tego nieogarniam ...:P
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
p = 300hPa = 30 000Pa
p = F/S
F = mg
p = mg/S => S = mg/p
S = 20kg x 10N/kg/30 000Pa ≈ 0,007m²
----------------------------------------------------------------------------------------------------
Litterarum radices amarae sunt, fructus iucundiores
Pozdrawiam :)