Bantu kerjakan dong kak, pakai caranya
poin plus
poin plus
![](https://id-static.z-dn.net/files/d42/c0343adf91d432c42681bec23299f35f.jpg)
Jawaban:
pada h = 125 m
Em = Ep + Ek = Ep + 0
Em = Ep = mgh = 125mg
pada
Ek = 1/3 Ep
Ep = 3Ek
Em = Ep + Ek
125mg = 3Ek + Ek = 4Ek
125mg = 4 x 1/2 mv²
125g = 2v²
v = √625 = 25 m/s
*maaf klo salah
*biasakan cari jawaban lain utk dibandingkan
Penjelasan: