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The homogeneous body with two small feet and two ideal wheels is at rest on the rough incline. (a) Assume no slippage and determine the maximum value of the angle () for which the body does not overturn about feet A. (b) If µ,s = 0.40, determine the maximum value of the angle () for which the body does not slip. (c) If µ,s = 0.40 and side C of the body now faces up the incline, determine the maximum value of the angle () for which the body does not slip.
why does necking occur during a tensile test? use your knowledge of engineering stress and strain to explain the
An engineer graduates at age 22, and she gets a job that pays $60,000 per year, she wants to invest enough to fund her own retirement without relying on an employer pension program or Social Security. Her goal is to have $1 million saved for retireme..
steam generator tube denting is caused by rusting tube support plates which in turn is caused by acid chloride attack.
The power output of an ideal, open-cycle gas turbine cycle is 75 MW and its pressure ratio is 16. Air enters the compressor at 520 R and enters the turbine at 2800 R. Using variable specific heats at 1000°F: cp = 0.263 Btu/lbm-R and k = cp/cv = 1.353..
A rigid, insulated tank that is initially evacuated is connected through a valve to a supply line that carries steam at 4 MPa. Now the valve is opened, and steam is allowed to flow into the tank until the pressure reaches 4 MPa, at which point the va..
an apple with the following properties weight 2.7 n diameter0.0921 m volume0.000325 m3 is cooled to a uniform
jus before it lifts off a 10500 kg airplane is traveling at 60 fts. the total horizontal force exerted by the planes
a hail storm caused nearly golf-ball sized hail to fall on a house. the hailstones were nearly spherical with a
Consider a car having a frontal are of 2.0m^2 with a drag coefficient of 0.35. The mass of the car is 1250kg and the rolling resistance is 1.0% of the weight of the car. At what speed does the aerodynamic drag first exceed the rolling resistance.
the l1m long vertical copper tube of inner diameter di20mm and wall thickness t2mm contains liquid water at twater0
descriptive questions - give brief answers in words. no calculations are required. you may write your answers in point
write a function that accepts an array a as input and searches the contents of the array for elements in three
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