Răspuns :
90m..........30 sec
x................1/5 sec
x=90* 1/5 /30
x=90/5/30
x=18/30
x=0,6m
x................1/5 sec
x=90* 1/5 /30
x=90/5/30
x=18/30
x=0,6m
[tex] \frac{1}{5} secunde = 0,2 secunde[/tex]
90:30=3 metii parcuge in o secunda.
3m...............1 s
x m .............0,2 s
____________
x= [tex] \frac{3x0,2}{1} [/tex]
x=0,6
90:30=3 metii parcuge in o secunda.
3m...............1 s
x m .............0,2 s
____________
x= [tex] \frac{3x0,2}{1} [/tex]
x=0,6