A Solid Cylinder Has a Radius of 0

question 15

Multiple Choice

A solid cylinder has a radius of 0.051 m and a height of 0.0030 m. The cylinder is composed of two different materials with mass densities of 1950 kg/m³ and 1470 kg/m³. The cylinder contains an equal mass m of each of the two materials, so that the total mass is M = 2m. What is the mass m?

• A)8.4 × 10^-2 kg
• B)2.1 × 10^-2 kg
• C)1.4 × 10^-2 kg
• D)6.5 × 10^-2 kg
• E)4.2 × 10^-2 kg

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Definitions:

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