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h = 80 m
g = 10 m/s^2
ditanyakan:
t =?
jawab :
t = √2h/g
t = √2(80)/10
t = √16
t = 4s
h= 80 m
g= 10 m/s²
dit: t=...?
Jawab:
Vt=√2.g.h
Vt=√2.10.80
Vt=√1600
Vt= 40 m/s
waktu:
Vt= Vo + g.t
40= 0 + 10.t
t= 40/10
t= 4 s