Density: a Certain Coin Has a Diameter of 21

question 38

Multiple Choice

Density: A certain coin has a diameter of 21.21 mm, a thickness of 1.95 mm, and weighs 0.04905 N. What is its density?

• A) 29.1 × 10³ kg/m³
• B) 7.26 × 10³ kg/m³
• C) 9.25 × 10³ kg/m³
• D) 2.31 × 10³ kg/m³
• E) 71.2 × 10³ kg/m³

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