Model: We will be concerning are not rigid objects, and have no definite shape.

Question

Model: We will be concerning are not rigid objects, and have no definite shape. The most common and liquids. (Plasmas concern ourselves with today are the h nuids for much of the rest of the semester. Flaids examples of Huids are are another state of matter that is also a fnuid.) The two things we will density of fluids, and the pressure of fhuids Density is defined as the mass density: per unit volume, we use the Greek letter ("rho") to represent TL 1. A spherical piece of metal with radius 0.0140 m has a mass of o.130 kg. What is the density V-trf.out)3r(6xjo of this sphere? (Remember the volume of a sphere is 43 .) r= 0.0140m 0.130 4 1.15 x 10-%) 11304.35 2. A cylindrical glass tube with inside diameter 0,0200 m contains mercury. The tube stands on its end and the column of mercury is 0.760 m long. The density of mercury is 1.36 x 10 Agin'. (Volume ofa cylinder is a. What is the mass of the mercury? d.0200m 513 - TT (0.020 (0 4o) [12111 What is the weight of the mercury? (Assume the column of mercury is at the surface of the earth whereg- 9.80 ms') b. beight = Mg = 123.3829 N 127.3 N or

Explanation / Answer

(1) rho = m/v

v = 4/3 pi r^3 = (4/3) x pi x (.0140)^3 = 1.14 x 10^-5 m^3

rho = (.130 / 1.14 x 10^-5)

rho = 1.140 x 10^-6 Kg/m^3

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