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=1/2 5 2^2
=1/2 5 4
=5 2
=10
V = 2 m/s
dit = EK..........?
peny = 1/2 X M X V²
= 1/2 X 5 kg X 2 m/s X 2 m/s
= 1/2 X 20 J
= 10 Joule
ket; M : massa banda (kg)
V : kecepatan benda (m/s)
EK : energi Kinetik (Joule)
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