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1. v = 72 km/jam = 20 m/s t = 40 s s = v.t = 20.40 = 800 meter 2. v = s/t s = 400 m t = 40 s v = 400/40 = 10 m/s 3. kelajuan = s/t s= 210 m t = 30 s s/t = 210/30 = 7 m/s JADIIN JAWABAN TERBAIK YA :D
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Menurut saya : 1. Dik = v(kecepatan) = 72 km/jam = 72000m/3600s = 20 m/s Dit = jarak setelah 40 sekon? Dij = setelah 40 sekon = 20 m/s x 40 = 800 m/s
2. Dik = (s) Jarak = 400 m (t) Waktu = 40 s Dit = v (kelajuan) ? Dij = v = s/t 400m/40s = 10 m/s
3. Dik = (s) jarak = 210 m (t) Waktu = 30 s Dit = (v) kelajuan ? Dij = v = s/t 210m/30s = 7 m/s Sekian,
t = 40 s
s = v.t = 20.40 = 800 meter
2. v = s/t
s = 400 m
t = 40 s
v = 400/40 = 10 m/s
3. kelajuan = s/t
s= 210 m
t = 30 s
s/t = 210/30 = 7 m/s
JADIIN JAWABAN TERBAIK YA :D
1. Dik = v(kecepatan) = 72 km/jam
= 72000m/3600s
= 20 m/s
Dit = jarak setelah 40 sekon?
Dij = setelah 40 sekon =
20 m/s x 40 = 800 m/s
2. Dik = (s) Jarak = 400 m
(t) Waktu = 40 s
Dit = v (kelajuan) ?
Dij = v = s/t
400m/40s = 10 m/s
3. Dik = (s) jarak = 210 m
(t) Waktu = 30 s
Dit = (v) kelajuan ?
Dij = v = s/t
210m/30s = 7 m/s
Sekian,
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