Jawaban:
24. T = 20π s dan f = 1/20π Hz
25. T = 14,14π s
Penjelasan:
24. susunan pegas paralel:
konstanta pengganti paralel:
kp = k₁ + k₂
kp = 150 + 150
kp = 300 N/m
Periode getaran:
T = 2π √(k/m)
T = 2π √(300/3)
T = 20π s
f = 1/T
f = 1/20π Hz
25. susunan pegas seri:
konstanta pengganti seri:
1/ks = 1/k₁ + 1/k₂
1/ks = 1/200 + 1/200
ks = 100 N/m
T = 2π √(100/2)
T = 2π √50
T = 14,14π s
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Jawaban:
24. T = 20π s dan f = 1/20π Hz
25. T = 14,14π s
Penjelasan:
24. susunan pegas paralel:
konstanta pengganti paralel:
kp = k₁ + k₂
kp = 150 + 150
kp = 300 N/m
Periode getaran:
T = 2π √(k/m)
T = 2π √(300/3)
T = 20π s
f = 1/T
f = 1/20π Hz
25. susunan pegas seri:
konstanta pengganti seri:
1/ks = 1/k₁ + 1/k₂
1/ks = 1/200 + 1/200
ks = 100 N/m
Periode getaran:
T = 2π √(k/m)
T = 2π √(100/2)
T = 2π √50
T = 14,14π s