Tolong cuma no 12 #Harus benar jawaban nya#

Ek = 1/2 m v^2
Ek = 1/2 x 2000 x 10^2
Ek = 1000 x 100
Ek = 100.000 J

Ek = 1/2 x massa x v^2
= 1/2 x 2000 x (10 m/s)^2
= 100 000 joule

Maaf kalo salah