Lina bersepeda ke sekolah, ia berangkat pukul 06.20 dan sampai di sekolah pukul 06.50. Bila jarak rumah lina kesekolah 3 km, maka kecepatan rata rata lina adalah...(dngan cranya)
NurmaZahara1971
Diketahui = t = 06.50-06.20 = 30 menit s = 3 km ditanya = v = ........ jawab = v = s/t = 3km/30menit = 0,1 km/menit = 10 m/menit
0 votes Thanks 0
lasthadi
T2 -t1 = 30 menit 40 menit = 30 . 60 = 1800 s jarak = 3km = 3000 m
t = 06.50-06.20 = 30 menit
s = 3 km
ditanya =
v = ........
jawab =
v = s/t
= 3km/30menit
= 0,1 km/menit
= 10 m/menit
40 menit = 30 . 60
= 1800 s
jarak = 3km = 3000 m
v = jarak / waktu
v = 3000 / 1800
v = 1,67 m/s
rasanya aneh , aku yg salah apa soal yg salah ^^