Simonka 2752

Is Simona right if she says that an iron cube with an edge length of 10 cm is heavier than a pound (1 cm3 of iron weighs 7.25 g)?

Result

y=



m2 =  7.25 kg

Step-by-step explanation:

a=10 cm V=a3=103=1000 cm3 ρ=7.25 g/cm3  m1=ρ V=7.25 1000=7250 g m2=m1 kg=m1:1000  kg=7250:1000  kg=7.25 kg  m2 > 0.5  kg  y=1



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