v=7 s1=s/2 vx=?
a=v²/(2*s)=vx²/(2*s1)=vx²/s
vx=v/√2=7/√2=4.9 м/с
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v=7 s1=s/2 vx=?
a=v²/(2*s)=vx²/(2*s1)=vx²/s
vx=v/√2=7/√2=4.9 м/с
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