nomor 6 tolong... bantuannya dan caranya ya...

DINAMIKA ROTASI

m1 = 6 kg
m2 = 4 kg
mk = 10 kg
g = 10 m/s²    ANGGAP
a = __ ?

a = (m1 - m2) g / (m1 + m2 + ¹/₂ mk)
a = (6 - 4) · 10 / (6 + 4 +  ¹/₂ · 10)
a = 20 / 15
a = ⁴/₃ = 1,33 m/s²  ← jwb