1) h=gt²/2 ⇒t=√(2*h/g)=4.5 c
4) M=600
m=70
v1=2
M*v1=(M+m)*v2 ⇒ v2=M*v1/(M+m)=1.8 м/с
5) W=mgh ⇒ h=W/(mg)=0.5 м
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1) h=gt²/2 ⇒t=√(2*h/g)=4.5 c
4) M=600
m=70
v1=2
M*v1=(M+m)*v2 ⇒ v2=M*v1/(M+m)=1.8 м/с
5) W=mgh ⇒ h=W/(mg)=0.5 м