" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
j = 45 km = 45000 m
w = 1,5 jam = 90 menit
k = 45/1,5 = 30 km/jam atau 45000/90 = 500 m/mnt