A rock is suspended from a scale reads 20.0 N. A beaker of water (having a density of 1000 kg/m3 ) 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) 2.50 × 103 kg/m3
B) 3.00 × 103 kg/m3
C) 1.60 × 103 kg/m3
D) 2.67 × 103 kg/m3
E) 2.33 × 103 kg/m3


D

Physics & Space Science

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