S=U×t
a) S1=3м/с×120с=360м
b) S2=6м/с×40с= 240м
с) Uср= (S1+S2)/(t1+t2)=(360+240)/(120+40)=600/160=3.75 м/с
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
S=U×t
a) S1=3м/с×120с=360м
b) S2=6м/с×40с= 240м
с) Uср= (S1+S2)/(t1+t2)=(360+240)/(120+40)=600/160=3.75 м/с