Jawabanmu

2014-06-21T06:30:31+07:00
Fn = (n-1/2) × v/l
250 = (1-1/2) v /0.6
v= 150
maap kalo salah
2014-06-21T10:41:59+07:00
F1= 1/2 V/l
250= 1/2. V/0.6
V= 250 . 0.6
= 150 m/s