A Planet Is Made of Two Distinct Materials in Two $\times$

question 67

Multiple Choice

A planet is made of two distinct materials in two layers.From the core to R/2,the density of the material is 4000 kg/m³,and from R/2 to R the density is 3000 kg/m³.What is the mass of the planet if R = 5000 km?

• A)2.62 \(\times\) 10²³ kg
• B)1.37 \(\times\) 10²⁴ kg
• C)1.64 \(\times\) 10²⁴ kg
• D)1.57 \(\times\) 10²⁴ kg
• E)1.87 \(\times\) 10²⁴ kg

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