A Rock Is Suspended from a Scale Reads 20

question 43

Multiple Choice

A rock is suspended from a scale reads 20.0 N. A beaker of water is raised up so the rock is totally submerged in the water. The scale now reads 12.5 N. What is the density of the rock?

• A)1.60 × 10³ kg/m³
• B)2.50 × 10³ kg/m³
• C)2.33 × 10³ kg/m³
• D)3.00 × 10³ kg/m³
• E)2.67 × 10³ kg/m³

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