Jawabanmu

2014-03-25T16:34:30+07:00
V = sxt/2
360 = sx5/2
s=360/2.5
s=144 m
2014-03-25T17:28:22+07:00
Lamda = v x T
=360 x 5= 1800
T = periode satuan s
v= cepat rambat m/s
lamda = m