Jawabanmu

2014-08-14T16:35:26+07:00
Dik: s= 216 km
       t= 3 jam
dit: v?
jika satuan km/jam
v= s/t
  = 216 km / 3 jam
  = 72 km/jam

atau satuan m/s
s= 216 km = 216 x 1000 = 216000 m
t= 3 jam = 3 x 3600 = 10800 sekon

v= s/t
  = 216000 m / 10800 s
   = 20 m/s

1 3 1