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A Sphere Has a Radius of 21 Cm and a Mass

Question 18

Multiple Choice

A sphere has a radius of 21 cm and a mass of 1.9 kg.Its mass density is about:


A) 4.9 * 10-5 kg/m3
B) 2.1 * 10-4 kg/m3
C) 2.0 * 10-2 kg/m3
D) 16 kg/m3
E) 49 kg/m3

Correct Answer:

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