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= 4 dm × 5 dm × 10 dm
= 200 dm³
b. 200 dm³ = 0,2 m³
m = massa jenis × V
= 200 kg/m³ × 0,2 m³
= 40 kg
c. w = m × g
= 40 kg × 10 m/s²
= 400 N
d. 20 dm² = 0.2 m²
P = F/A
= 400 N/0.2m²
= 2000 N/m² atau 2000 Pa
e. 50 dm² = 0.5 m²
P = F/A
= 400 N/0.5 m²
= 800 N/m² atau 800 Pa
Sry klo slh