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Ek= 25 J
m= 2 kg
Ditanya :
v ?
Jawab :
Ek= 1/2 × m × v²
25= 1/2 × 2 × v²
25= 1 × v²
v²= 25
v= √25
v= 5
Jadi, benda bergerak dengan kecepatan 5 m/s
Catatan :
m= massa
Ek= Energi Kinetik
v= kecepatan