Page 21 - Gerak

➢ Lama benda di udara (t total )

v = v - g t naik v = v + g t turun
t
0
t
0
0 = v - g t naik v = 0 + g t turun t naik = t turun
0
0

v v 0

t naik = 0 t turun = Sifat simetris
g g
gerak vertikal

t total = t naik + t turun

v 2
v v t = 0

= 0 + 0 total g

g g