dane:
m = 2*420 kg = 840 kg
h = 20 m
g = 10 m/s²
szukane:
W = ?
W = Ep = mgh
W = 840kg*10m/s²*20m = 168 000 J
1 kJ = 1000 J
W = 168 kJ
----------------
Odp.Szukana praca wynosi 168 kJ (kilodżuli).
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
dane:
m = 2*420 kg = 840 kg
h = 20 m
g = 10 m/s²
szukane:
W = ?
W = Ep = mgh
W = 840kg*10m/s²*20m = 168 000 J
1 kJ = 1000 J
W = 168 kJ
----------------
Odp.Szukana praca wynosi 168 kJ (kilodżuli).