[pic] [pic] [pic] [pic] [pic] = const График движения тела брошенного горизонтально
[pic] [pic] [pic] [pic] [pic] H [pic] H=y
[pic] [pic] [pic] [pic] [pic]
[pic]
y x= [pic] t x
Fтяж=mg
Eпат= mg(Hmax-h) => mg (Hmax- [pic] )
Eкин= [pic] => [pic]
[pic] [pic] [pic] [pic] ay x y [pic]
[pic] [pic] [pic] [pic] x= [pic] t y= [pic]
[pic] [pic] [pic] [pic] [pic] [pic] ay=g=9,8м/с2 [pic]
[pic] [pic] [pic] [pic] [pic] [pic] [pic] [pic] [pic]
t= [pic] t t= [pic] t t= [pic] t t= [pic] t
[pic] [pic] [pic] [pic] [pic] [pic] [pic] [pic] [pic] [pic] Fтяж Fтяж
[pic] [pic] [pic]
[pic] Fтяж (у)=mg
[pic] [pic] Fтяж (х)=0
[pic] t= [pic] t t t
