Jawabanmu

Jawaban paling cerdas!
2014-03-13T19:34:08+07:00
Ek = 1/2 . M. V^2
M = 50 N
V = 20 m/s

= 1/2 .(50.(20)^2)
=1/2 . (50. 400)
=1/2 .20,000
= 10.000 N
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