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t = 4 s
v = 1.450 m/s
dit : s ?
maka :
s = 1/2 x v x t
= 1/2 x 1.450 x 4
= 2.900 m
V = 1450 m/s
ditanya : S = ?
jawab : karena bunyi pantul, V =
jadi, S=
=
= 2900 m