Waktu = 08.30 - 06.30 - 00.30 = 01.30 = 1,5 jam
Kecepatan rata-rata
[tex] \frac{jarak}{waktu} = \frac{129 \: km}{1,5 \: jam} \\ \\ 86 \frac{km}{jam} [/tex]
W.TOTAL = W1 - W2
= 08.30 - 06.30 - 00.30
= (08 - 06)(30 - 30) - 00.30
= 02.00 - 00.30
= 01.30
= 1,5 JAM
MAKA :
K = J/W
= 129/1,5
= 86 KM/JAM
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Waktu = 08.30 - 06.30 - 00.30 = 01.30 = 1,5 jam
Kecepatan rata-rata
[tex] \frac{jarak}{waktu} = \frac{129 \: km}{1,5 \: jam} \\ \\ 86 \frac{km}{jam} [/tex]
W.TOTAL = W1 - W2
= 08.30 - 06.30 - 00.30
= (08 - 06)(30 - 30) - 00.30
= 02.00 - 00.30
= 01.30
= 1,5 JAM
MAKA :
K = J/W
= 129/1,5
= 86 KM/JAM