" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
400 = 1/t
t = 1/400
cepat rambat = 50 : 1/400 = 50 x 400 = 20000
= 50 × 400
= 20000 m/s