The mass of a solid hemisphere is measured only once with a digital balance, whose resolution is 1 g. The result is m = 50 g. With a caliper, the resolution of which is 0.05 mm, repeated measurements of the diameter D of the hemisphere are carried out. The values obtained for D are: 100.30 mm; 100.00 mm; 100.60 mm; 100.10 mm; 100.25 mm; 100.50 mm; 100.40 mm; 100.20 mm; 100.30 mm; 100.35 mm. The measurement model that should be used to measure the density ρ is: A) ρ=m/V B) ρ=3m/4∏R3 C) ρ=6m/∏D3 D) ρ=12m/∏D3
The mass of a solid hemisphere is measured only once with a digital balance, whose resolution is 1 g. The result is m = 50 g. With a caliper, the resolution of which is 0.05 mm, repeated measurements of the diameter D of the hemisphere are carried out. The values obtained for D are: 100.30 mm; 100.00 mm; 100.60 mm; 100.10 mm; 100.25 mm; 100.50 mm; 100.40 mm; 100.20 mm; 100.30 mm; 100.35 mm. The measurement model that should be used to measure the density ρ is: A) ρ=m/V B) ρ=3m/4∏R3 C) ρ=6m/∏D3 D) ρ=12m/∏D3
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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The mass of a solid hemisphere is measured only once with a digital balance, whose resolution is 1 g. The result is m = 50 g. With a caliper, the resolution of which is 0.05 mm, repeated measurements of the diameter D of the hemisphere are carried out. The values obtained for D are: 100.30 mm; 100.00 mm; 100.60 mm; 100.10 mm; 100.25 mm; 100.50 mm; 100.40 mm; 100.20 mm; 100.30 mm; 100.35 mm. The measurement model that should be used to measure the density ρ is:
A) ρ=m/V
B) ρ=3m/4∏R3
C) ρ=6m/∏D3
D) ρ=12m/∏D3
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