Ile wynosi moc robotnika,który wżucił łopatą na samochód o wysokości 1,8m.Węgiel o masie 3ton w czasie 6h
dane:
s =h =1,8m
m =3t =3 000 kg
t =6h =6*3600s = 21 600 s
g =10m/s2
szukane:
P =?
P =W/t
W =F*s =m*g*s
P =m*g*s/t
P =3000kg *10m/s2 *1,8m/21600s
P = 2,5W
========
Odp.Szukana moc wynosi 2,5W.
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
dane:
s =h =1,8m
m =3t =3 000 kg
t =6h =6*3600s = 21 600 s
g =10m/s2
szukane:
P =?
P =W/t
W =F*s =m*g*s
P =m*g*s/t
P =3000kg *10m/s2 *1,8m/21600s
P = 2,5W
========
Odp.Szukana moc wynosi 2,5W.