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answerkeys3 - kg 6 ρ = 10 kg 518 cm 3 = 0 019305 kg/cm 3 =...

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Answer Key for problems in Unit III. 1. 1 = 10 3 m‘ = 10 3 cm 3 = 10 3 × (10 mm ) 3 = 10 6 mm 3 (1 cm 3 = (10 mm ) 3 = 1 , 000 mm 3 ) 2. ρ = m V m = ρ V = 13 . 6 g/m‘ × 40 m‘ = 544 g = 0 . 544 kg (1 g = 1 / 1000 kg ) 3. 7 . 86 g/cm 3 = 7 . 86 × 1 g 1 cm 3 = 7 . 86 × 10 - 3 kg 10 - 6 m 3 = 7 . 86 × 10 3 kg/m 3 = 7860 kg/m 3 4. N/A 5. density ( ρ ) = m V = 1 . 05 kg 100 cm 3 = 0 . 0105 kg/cm 3 m 2 = ρ × V 2 = 0 . 0105 kg/cm 3 × 57 cm 3 = 0 . 5985 kg
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Unformatted text preview: kg 6. ρ = 10 kg 518 cm 3 = 0 . 019305 kg/cm 3 = 1 . 9305 × 10 4 kg/m 3 = 19305 kg/m 3 The density of water is 1 , 000 kg/m 3 . Therefore, gold is 19.305 times more dense than water. 1...
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