tolong sama crannya dong kak

Dik =
m = 250 gram = 0,25 kg
k = 100 N/m

Dit :
f = .....?

Jawab :
f = 1/2π√(k/m)
f = 1/2π√(100/0,25)
f = 1/2π√400
f = 1/2π20
f = 10/π