Mohon dibantu yaa kakak kakak beserta caranyaa☺

Dinamika Rotasi.
Kelas XI SMA kurikulum 2013 revisi 2016.

EK total = EK translasi + EK rotasi
= 1/2 Mv² + 1/2 Iω²
= 1/2 Mv² + 1/2 kMR² (v / R)²
= 1/2 Mv²(1 + k)
= 1/2 (2m)v² (1 + 2/5)
= 7/5 mv²