Answer to Question #222205 in Physics for Paul Hackman

Question

Use the following below to answer Qns. 1~5

A cylinder core sampler with inside diameter of 4.6 cm and height of 10.2 cm was used to sample soil from the Sinna's Garden .The mass of the empty core sampler is 69.7 g .The mass of the core sampler plus that of the moist soil is 285.6 g .The mass of the core sampler plus that of the oven-dry soil is 271.3 g . The particle density of the soil is 2.65 g/cm.The equation for expressing the falling of particles in water at terminal velocity is d g(Ps - Pw )/18n

Where d is the diameter of particles in ,g is acceleration due to gravity (981 cm s-2 and n is viscosity of water (0.008 g cm-1 s-1)

1. What is the gravimetric moisture content of the soil

2. What is the bulk density of the soil

3. What is the volumetric content of the soil

4. What is the porosity of the soil

5. Calculate the radius the soil particles if it is falling at a terminal velocity of 0.00044 cm s-1

Answer 1

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