Bantuuu jawabbb dongggg plisssss no 1 atau 2 lahh makasihh:):(​

Penjelasan:

1. Diketahui:

N = 1/2 getaran

t = 1/40 s

Ditanya: T? ; w? ; l?

Jawab:

a) T = t / N = 1/40 ÷ 1/2 = 1/20 = 0,05 s

b) w = 2π / T = 2 × 3,14 / 0,05 = 125,6 rad/s

c) T = 2π √(l / g)

1/20 = 2π √(l / 10)

1/40π = √(l / 10)

1/1600π² = l / 10

1/160π² = l

0,000634 m = l

2. Diketahui:

m1 = 1 kg

T1 = 3 s

m2 = 4 kg

∆x1 = ∆x2

Ditanya: k? ; f?

Jawab:

a) T = 2π √(m/k)

3 = 2π √(1/k)

3/2π = √(1/k)

9/4π² = 1/k

k = 4π² / 9

k = 4,382 N/m

b) f = 1/2π √(k/m)

f = 1/2π √(4π² / 9 / 4)

f = 1/2π √(π² / 9)

f = 1/2π × π/3

f = 1/6 Hz