Kilograms 80481

What is the weight of a sheet of glass 75 cm x 120 cm and 2 mm thick if one cubic meter of glass weighs 2500 kilograms?

Correct answer:

m =  4.5 kg

Step-by-step explanation:

a=75 cm→ m=75:100  m=0.75 m b=120 cm→ m=120:100  m=1.2 m c=2 mm→ m=2:1000  m=0.002 m  ρ=2500 kg/m3  V=a⋅ b⋅ c=0.75⋅ 1.2⋅ 0.002=50009​=0.0018 m3  m=ρ⋅ V=2500⋅ 0.0018=4.5 kg

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