Penjelasan:
a) Jarak = Waktu x Kecepatan
= 15 menit x 12 km/jam
= ¼jam x 12km/jam
= 3 Km
b) Jarak = waktu x kecepatan
= 1½ jam x 4m/s
= (3/2 x 3600) x 4
= 21600 meter
= 21,6 Km
c) Jarak = waktu x kecepatan
= 40 detik x 90 km/jam
= (40/3600) x 90
= 1/90 x 90
= 1 Km
A) J = W(K)
= (1/4(12)
= (1(12)/4
= 12/4
= 3 KM/JAM
B) J = W(K)
= (3/2(60(60(4)
= (3(60(60(4)/2
= (180(60(4)/2
= (10.800(4)/2
= 43.200/2
= 21.600
= 21.600/1.000
= 21,6 KM
C) J = W(K)
= (40/60(60(90)
= (40(3.600(90)
= (1/90(90)
= (1(90/90)
= (1(1)
= 1 KM
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Penjelasan:
a) Jarak = Waktu x Kecepatan
= 15 menit x 12 km/jam
= ¼jam x 12km/jam
= 3 Km
b) Jarak = waktu x kecepatan
= 1½ jam x 4m/s
= (3/2 x 3600) x 4
= 21600 meter
= 21,6 Km
c) Jarak = waktu x kecepatan
= 40 detik x 90 km/jam
= (40/3600) x 90
= 1/90 x 90
= 1 Km
A) J = W(K)
= (1/4(12)
= (1(12)/4
= 12/4
= 3 KM/JAM
B) J = W(K)
= (3/2(60(60(4)
= (3(60(60(4)/2
= (180(60(4)/2
= (10.800(4)/2
= 43.200/2
= 21.600
= 21.600/1.000
= 21,6 KM
C) J = W(K)
= (40/60(60(90)
= (40(3.600(90)
= (1/90(90)
= (1(90/90)
= (1(1)
= 1 KM