Odpowiedzi

2010-03-26T18:07:42+01:00
Dane:
m = 80 kg
h = 1200 m
Rozw.:
Ep = m × g × h = 80 kg × 10 [m/s²] × 1200 m = 960 000 J

2010-03-26T18:08:18+01:00
Ep=m*g*h
m=80kg
g=10m/s
h=1200m
Ep=80*10m/s*1200m=960000J=960kJ
2010-03-26T18:09:09+01:00
Ep=mgh

Ep=80kg * 10 m/s² * 1200m= 960000 J = 960 kJ