A 78-Kg Solid Sphere, Made of Metal Whose Density Is 2500

question 15

Multiple Choice

A 7.8-kg solid sphere, made of metal whose density is 2500 kg/m³, is suspended by a cord. When the sphere is immersed in water (of density 1000 kg/m³) , what is the tension in the cord?

• A) 46 N
• B) 61 N
• C) 76 N
• D) 92 N
• E) 110 N

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