Object A is suspended as shown in the accompanying image on spring scale D. At the same time, it is immersed in liquid C inside glass container B, which is on scale E. The mass of the glass is 1.00 kg, and the mass of the liquid is 1.80 kg. The spring scale reads 3.50 kg, and scale D reads 7.50 kg. The volume of object A is 3.80 × 10^(-3) m³.
a) What is the density of the liquid? b) What readings do the scales show if the object is removed from the liquid?
answers: a)1240kg/m^3 b)8,2kg 2,8kg