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V0= 5 m/s
Vt= 25 m/s
s= 1,5 km= 1500 m
ditanya:
t?
jawab:
(Vt^2)=(V0^2)+2as
625=25+2a(1500)
600=3000a
a=0,2 m/s
Vt=V0+at
25=5+0,2t
20=0,2t
t=100 s