Measuring 67014

The density of gold is 19200kg / m3. How much does a gold bar measuring 25cm, 8cm, and 37mm weigh?

Correct answer:

m =  14.208 kg

Step-by-step explanation:

ρ=19200 kg/m3  a=25 cm m=25:100  m=0.25 m b=8 cm m=8:100  m=0.08 m c=37 mm m=37:1000  m=0.037 m  V=a b c=0.25 0.08 0.037=50000370.0007 m3  m=ρ V=19200 0.0007=14.208 kg

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