m=400kg
h₁=40m
g≈10m/s²
F₁=200N
W=F·s
W=200N·40m=8000J
Q=m·g
Q=400kg·10m/s²=4000N
h₂=W/F
h₂=8000J/4000N=2m
Odp.: Wysokość równi to 2m.
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m=400kg
h₁=40m
g≈10m/s²
F₁=200N
W=F·s
W=200N·40m=8000J
Q=m·g
Q=400kg·10m/s²=4000N
h₂=W/F
h₂=8000J/4000N=2m
Odp.: Wysokość równi to 2m.