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Verified answer
Kode Mapel : 6Kode : 7. 6. 3
Mapel : Matematika
Bab : Bab III
Kategori : Suhu
Kelas : SMP / MTs kelas VII
Semester : Ganjil
Diketahui:
r = 3 cm = 0,03 m
ΔT = 80° - 20° = 60° C
Ditanyakan:
ΔV = ...?
Pembahasan:
ΔT)
ΔV =
ΔV =
ΔV =
Verified answer
SUHU• Pemuaian
kubus
r₀ = 3 cm
γ = 3a °C⁻¹
∆t = (80-20) °C = 60 °C
∆V = ___?
Volume awal kubus
V₀ = r₀³
V₀ = (3 cm)³ = 27 cm³
Pertambahan volume
∆V = V₀ γ ∆t
∆V = (27 cm) • (3a °C⁻¹) • (60 °C)
∆V = (4860 a) cm³ ✓