kerjain pakai caranya

Jawaban :
Penjelasan:
h = 80 m
Vo = 0 m/s
Em1 = Em2
Ep1 + Ek1 = Ep2 + Ek2
m . g . h + 0 = 0 + Ek2
m . 10 . 80 = ½ . m . v²
800 = ½ . v²
v² = 1600
v = 40 m/s
[answer.2.content]Jawaban :
Penjelasan:
h = 80 m
Vo = 0 m/s
Em1 = Em2
Ep1 + Ek1 = Ep2 + Ek2
m . g . h + 0 = 0 + Ek2
m . 10 . 80 = ½ . m . v²
800 = ½ . v²
v² = 1600
v = 40 m/s
[answer.2.content]