Density Calculation of Rectangular Block · PhysicsBowl 2014 #18

Physics · mechanics

Problem

A rectangular block of wood has a mass of 17.817.8 gg and dimensions of length: 3.003.00 cmcm, width: 4.004.00 cmcm, and height: 2.002.00 cmcm. Which one of the following choices correctly gives the average density of the block? (A) 7.42×1057.42 \times 10^5 kgm3\frac{kg}{m^3} (B) 7.42×1027.42 \times 10^2 kgm3\frac{kg}{m^3} (C) 7.427.42 kgm3\frac{kg}{m^3} (D) 7.42×10−17.42 \times 10^{-1} kgm3\frac{kg}{m^3} (E) 7.42×10−47.42 \times 10^{-4} kgm3\frac{kg}{m^3}

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