" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
= 350 x 0,04
= 14 m
kalo bunyinya memantul jadi panjangnya 14/2 = 7m, kalo bunyinya tidak memantul tidak dibagi 2, itu saya blm pasti mantul tidak
maaf kalo salah