hmax wystepuje gdy Ek=Ep
Ek=mv^2/2
Ep=mgh
wiec
mv^2/2=mgh
v^2=2gh
v^2=144
v=12 m/s
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hmax wystepuje gdy Ek=Ep
Ek=mv^2/2
Ep=mgh
wiec
mv^2/2=mgh
v^2=2gh
v^2=144
v=12 m/s