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Air in an automobile tire is maintained at a pressure of 220 kPa (gauge) in an environment where the atmospheric pressure is 94 kPa. The air in the tire is at the ambient temperature of 25°C. Now a 4-mm-diameter leak develops in the tire as a result of an accident. Assuming isentropic flow, determine the initial mass flow rate of air through the leak.
i would like someone to solve these problems for me. all problems attached in doc format. looking for response.
A roadway has a 4% grade intersecting a -7% grade at at station 18+50.00. The grades are connected by an 800 foot vertical curve. A sign is proposed to be installed at Station 15+00.00. The bottom of the sign is 7 feet above the roadway.
A square footing 0.3 m by 0.3 m is placed on the surface of a dense cohesionless sand (unit weight = 18.2 KN/m^3) and subjected to a load test. If the footing fails at a load of 13.8 KN, what is the value of ? (degree) for the sand?
What is the hydrostatic force on the bottom surface of the can?
A new after-school delinquency prevention program is being established. The Program Director calls you up on the telephone and asks your advice on how to design a good program. What advice can you give her?
Use appropriate kinematics equations (for the right ranges) for the new velocity and distance traveled. (Hint: when the impulse becomes a non-negative number set it to zero; then the acceleration becomes zero and the velocity does not change; so use ..
An electron has an initial velocity with an x component of zero, a y component of 9.35 km/s, a z component 16.1 km/s, and a constant acceleration of 1.60 x 1012 m/s2 in the positive x direction in a region in which uniform
A -4% grade and a 0% grade meeting at sta. 24 + 40 and elevation 2421.54 ft are joined by an 800-ft vertical curve. The curve passes under an overpass at sta. 25+00.
Compute and compare the hydraulic conductivity (m/s) of a formation with respect to the three liquids below. The formation has a permeability k = 0.1 darcy and g = 9.8 m/s2. Liquid viscosity (g/cm s) density (g/cm3)
Calculate the uniform flow rate in an earth-lined (n = 0.020) trapezoidal canal having bottom width 3 m, sides sloping 1V : 2H, laid on a slope of 0.0001, and having depth of 1.8 m.
Evaluate the percent mass loss for each of the three thermal events indicated on the attached TGA trace
problem analyze the stability of the dam shown in the figure if the friction coefficient between concrete and
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