Jarak jakarta-bogor 60Km.Andre bersepeda dari jakarta ke bogor,berangkat pukul 07.00 selama perjalanan andre istirahat 2 kali ,Masing - masing ¼ jam dan tiba pukul 11.30 .Berapa kilometer kecepatan rata-rata Andre bersepeda perjam ?
GiovanniDL
T = 11.30 - 07.00 = 4.30 1/4 jam = 1/4 * 60 = 15 * 2 = 30 menit total t = 4 jam s = vt v = s/t v = 60/4 v = 15 km/jam
1/4 jam = 1/4 * 60 = 15 * 2 = 30 menit
total t = 4 jam
s = vt
v = s/t
v = 60/4
v = 15 km/jam