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2 Ek= 1/2 m.v^2 = 1/2 .2 .100= 100
Diketahui :
Em = 200 Joule
Ek = 80 Joule
Ditanyakan Ep . . .?
Penyelesaian :
Rumus :
Ep = Em - Ek <----
= 200 - 80
= 120
Soal 2
Diketahui :
m = 2kg
v = 10 m/s
Ditanyakan Ek . . .?
Penyelesaian :
Rumus :
Ek = 1/2 mv² <---
= 1/2 x 2 x 10²
= 100 Joule