Jawabanmu

2014-06-20T10:45:22+07:00
F = m . a
F/m = a
20/0,2 = a
100 = a

Vt = Vo + a . t
= 0 + 100 . 0,2
=20 m/s

:)
2014-06-20T13:51:30+07:00
P = m . v = F . Δt

m . v = F . Δt
(0.2)v = (20) . (0.2)
     v = 20 m/s
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