m=5kg
g≈10m/s²
h=10m
t=10s
W=m·g·h
W=5kg·10m/s²·10m=500J
P=W/t
P=500J/10s=50W
Odp.: Praca wynosi 500J, a moc 50W.
sz:W i P
dane :
h₀=2m
h₁=12m
W=ΔEp=mgh₁-mgh₀=5kg*10N/kg*12m-5kg*10N/kg*2m=600J-100J=500J
P=W/t=500J/10s=50W
pozdrawiam i proszę o naj ;)
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m=5kg
g≈10m/s²
h=10m
t=10s
W=m·g·h
W=5kg·10m/s²·10m=500J
P=W/t
P=500J/10s=50W
Odp.: Praca wynosi 500J, a moc 50W.
sz:W i P
dane :
m=5kg
h₀=2m
h₁=12m
t=10s
W=ΔEp=mgh₁-mgh₀=5kg*10N/kg*12m-5kg*10N/kg*2m=600J-100J=500J
P=W/t=500J/10s=50W
pozdrawiam i proszę o naj ;)