A rock weighs 16.25 N in the air. When it is hanging from a light string and fully submerged in a beaker of water, the tension in the cord is 10.15 N. What are the volume and density of the rock?
Added by Lisa F.
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First, we need to find the buoyant force acting on the rock when it is submerged in water. The buoyant force can be calculated as the difference between the weight of the rock in air and the tension in the cord when submerged: Buoyant force = Weight in air - Show more…
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