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= 1/2 x 300 kg x 20 m/s x 20 m/s
= 60.000 J
Note:
Ek = Energi kinetik (J)
m = massa (kg)
v = kecepatan (m/s)
m= 300 Kg
v= 20 m/s
Dit:
Ek=...?
Penye:
Ek= ×m×v²
Ek= ×300×20²
Ek= ×300×400
Ek= 60000 J atau 60 KJ