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A shaft is to be designed for a linkage of a windshield wiper mechanism for a truck A 20-N force is applied to lever 1 by an adjacent link. The reaction force, F2 on lever 2 is transmitted to another link. The distance, d. between elements is 20.0 mm. Bearings A and C are straight, cylindrical, bronze bushings, 10.0 mm long. Design the shaft and levers 1 and 2
At the instant shown, car A has a speed of 20 km/h, which is being increased at the rate of 300 km/h2 as the car enters an expressway. At the same instant, car B is decelerating at 250 km/h^2
If t his house were heated instead by a heat pump that has an average COP of 2.4, determine how much money the homeowner would have saved that month. Assume the price of electric power is $0.085 per kW - hr.
A horizontal cylindrical tank 4 ft in diameter and 10 ft long is full of water. Find the work done in pumping the water to a point 4 above the top of the tank.
A very small country has just gained independence in the year 2000, at which time its population was 1,000. The new country has a birth rate of 0.02 yr-1, death rate of 0.004 yr-1, immigration rate of 0.01 yr-1, and emigration rate of 0.005
This Table gives the standard penetration numbers determined from a sandy soil deposit in the field. Depth (m) 3.0, 4.5, 6.0, 7.5, 9.0, 10.5, 12. Unit weight of soil Kn/M^3
Calculate the temperature of "flat world" that has an albedo of 0.31 and a solar flux of 1370 w/m^2. One side of flat world faces the sun. Ignore energy emitted from the edge of flat world.
Drainage facility: - Drainage facility is the normal or fake evacuation of surface and sub-surface water from a territory. Numerous rural soils need waste to enhance creation or to oversee water supplies
a tape is calibrated and found to measure 100.04ft between the 0- and 100-ft marks. what measurements should be laid out to establish a horizontal distance of 682.25ft?
Calculate the Ks and Is this soil suitable for a landfill liner - Soil material is being assessed as a possible liner for a sanitary landfill.
for the retaining wall shown below determine the followinga whether the wall has adequate sliding resistance b whether
A carpenter uses a hammer to strike a nail. Approximate the hammer's weight of 1.8lbs, as being concentrated at the head, and assume that at impact the head is traveling in the -j direction
Air at 80oC and a pressure of approximately 1350 kPa abs flows in a 20-mm-diameter tube. What is the minimum turbulent flow rate
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