5. The density of gold is 19 300 kg/m. What is the mass of a gold sphere whose diameter is 0.25 m? A) 87.5 kg B) 158 kg C) 947 kg D) 1260 kg E) 3790 kg 6. The average density of the material in intergalactic space is approximately

5. The density of gold is 19 300 kg/m. What is the mass of a gold sphere whose diameter is 0.25 m? A) 87.5 kg B) 158 kg C) 947 kg D) 1260 kg E) 3790 kg 6. The average density of the material in intergalactic space is approximately

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter9: Solids And Fluids

Section: Chapter Questions

Problem 2CQ: The density of air is 1.3 kg/m3 at sea level. From your knowledge of air pressure at ground level,...

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Concept explainers

Density of Solids

The density of a substance refers to how much matter is present in a given amount of space. It is expressed as the ratio of the mass of the substance to its volume.

Question

5. The density of gold is 19 300 kg/m. What is the mass of a gold sphere whose
diameter is 0.25 m?
A) 87.5 kg
B) 158 kg
C) 947 kg
D) 1260 kg
E) 3790 kg
6. The average density of the material in intergalactic space is approximately
2.5 x 10-27 kg/m. What is the volume of a lead sample, r= 11 300 kg/m, that
has the same mass as 8.0 x 104 m' of intergalactic space?
A) 1.0 x 10 m
B) 22 x 105 m
C) 5.4 x 10 m
D) 3.6 x 10-5 m
F) 18 x 10 m

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