h=100m
m=2kg
s=att/2
czyli
h=gtt/2
t=pierwiastek(2h/g)=pierwiastek(20)=4,5
vk=at=gt=45m/ss
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h=100m
m=2kg
s=att/2
czyli
h=gtt/2
t=pierwiastek(2h/g)=pierwiastek(20)=4,5
vk=at=gt=45m/ss