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The car of Prob. 3/59 is traveling at 25 mi/hr when the driver applies the brakes, and the car continues to move along the circular path. What is the maximum deceleration possible if the tires are limited to a total horizontal friction force of 2400 lb?
Prob. 59
The standard test to determine the maximum lateral acceleration of a car is to drive it around a 200-ft-diameter circle painted on a level asphalt surface. The driver slowly increases the vehicle speed until he is no longer able to keep both wheel pairs straddling the line. If this maximum speed is 35 mi/hr for a 3000-lb car, determine its lateral acceleration capability an in g's and compute the magnitude F of the total friction force exerted by the pavement on the car tires.
A 14-in. square concrete post is 6ft tall and reinforced by nine 3/4" diameter steel rods. Assume that the materials are high-strength concrete and ASTM-A36 structural steel.
A square steel bar, 38 mm on each side, is used as a beam and subjected to bending of 460 N.m. Calculate the maximum bending stress.
A critical problem in the design of thermoelectric refrigerators is the effective rejection of waste heat. Discuss how you can enhance the rate of heat rejection without using any devices with moving parts such as a fan.
Study the ASCE Code of Ethics (e) and then provide one example of a hypothetical decision made by an engineer in professional practice that: violates each one of the 7 Fundamental Canons.
A large part of Holland is below sea level.Earthen dikes keep the sea at bay. There's a Holland legend of aboy who uses his finger to plug a hole in the dike and saves thecountry side. Assume the center of the hole is located 3.0
A stack (T=550*F and P=750mm Hg) was sampled using EPA Method 5. The total gas volume that flowed through the dry gas meter was 2.785 cubic meters (at T=60*F and P=800mm Hg). The mass of particles collected was 1.50g.
The annual maximum series of flood magnitude in a river has a normal distribution with a mean of 6000 m^3/s and a standard deviation of 800 m^3/s
The driver of the vehicle does not look for oncoming traffic. Road conditions and vehicle speeds on the highway are such that it takes 1.5 seconds for an oncoming vehicle to stop once breaks are applied.
Select the beam dimensions and reinforcement for a balanced section if the beam sustains a moment as a result of dead load of 60 kip-ft and a moment as a result of live load of 90 kip-ft
hree wells are drilled in an unconfined aquifer with the following coordinates and observed heads: Well 1: 0,200 (meters) 50 (meters) Well 2: 240,130 54 Well 3: 140, 320 63 (a) Find the magnitude and direction of the hydraulic gradient.
The pump curve for a given pump is represented by hp,pump=20 (1-(Q/100)^2) where hp,pump is the head provided by the pump in feet and Q is the discharge in gpm.
Using the data provided, determine the volume fraction of fibers that will be required. What will be the tensile strength of this composite? Assume that the matrix stress at fiber failure is 50 MPa (7250 psi)
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