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Calculate the electrostatic force between two protons in a nucleus of iron with which they repel each other. Assume a separation of 4.0 x 10^-15 m between protons.
Attachment:- 1553478_1_Electric-Field-Intensity.pdf
a circular drain pipe has a radius of 375 mm. it conveys water 30 ordmc from location 1 to location 2 between which
Estimate the amount of Ca(OH)2(s) leached from concrete during a one-year period by precipitation. Assume that the area receives 40 in/yr of precipitation which is in equilibrium with PCO2= 10^-3.5 atm and [SO42-] = 10^-4 M
Calculate the initial and final vertical total stress, pore water pressure and vertical effective stress, at the mid-depth of the clay layer, (a) beneath the office block; and (b) beneath the car park
an elevator drive sheave of diameter 1 m and negligible mass is mounted on a shaft midwaynbspbetween bearings which are
Design a concrete footing to support a 16in by 16 in column that is 13 feet high with f'c= 6000 psi. The footing has a f'c=3000psi. Assume the the footing base is 5 ft below the grade and the soil is 100 lb/ft with an allowable pressure of 4500lb/ft ..
Carbon dioxide at 30 C and 320 kPa absolute pressure expands isothermally to an absolute pressure of 170 kPa. Determine the final density of the gas.
Magachlor is present in a lake having a volume of 20,000,000m3 that is used for drinking water. This waterbody can be considered well mixed. Megachlor can beconsidered a conservitive pollutant.
Determine (5) the maximum shear stress at failure Tao,max and (6) the angle of the plane on which Tao,max acts; calculate (7) the available shear stress on the plane.
It is desired to raise the temperatures of both systems by 15°C. Determine the amount of extra heat that must be supplied to the gas in the cylinder which is maintained at constant pressure to achieve this result. Assume the molar mass of the gas ..
The results of a constant head permeability test for a fine sand sample having a diameter of 25cm and a length of 50 cm are as follows:
Consider a piston/cylinder arrangement that has a linear spring mounted such that as the piston rises to a certain point it will encounter the spring, which will offer a downward component of force as the piston rises further. Initially the cylinder..
A nozzle is designed to linearly accelerate the fluid from V1 to V2 (i.e., V = ax +b, where a and b are constants). Determine the local acceleration, the convective acceleration, and the total acceleration at point 1 and 2 at t = 0.
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