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1. I drive down the highway at 110 km/h on a 25?C, 101.3 kPa day. I put my hand, crossesctional area 0.01 m2, flat out the window. What is the force on my hand and what temperature do I feel?
2. A stagnation pressure of 110 kPa is measured for an air flow where the pressure is 100 kPa and the temperature is 20?C in the approach flow. What is the incoming velocity?
To avoid the salinization of soil in a farming area, parallel drainage canals are to be installed to maintain the water table at a depth of at least 4m below the ground surface.
A 6-m telephone pole weighing 1600 N is used to support the ends of two wires. The wires form the angles shown with the horizontal and the tensions in the wires are, respectively, T1 = 600 N and T2 = 375 N. Determine the reaction at the fixed end ..
Over the past 3 years, there have been 14, 13, and 15 crashes on this section of College Street. The two-way ADT on this section is 16,474 vehicles per day. What is the annual crash rate for this section of College Street
And forms HCN, it will volatilize, and if it volatilizes, HCN can poison mine workers. At pH 10.4, what fraction of the cyanide is in the CN- form?
That is, the transmitter sends a/gm/ instead of a. Find the expected transmitted energy per binary digit.
A rectangular beam of width 300 mm and depth 450 mm supports loads producing a shear force of 300 kN at a particular section. What shear stresses exist at the following points?
A piston-cylinder device contains helium gas initially at 150 kPa, 20 degrees C, and 0.5 m^3. The helium is now compressed in a polytropic process (PV^n = constant) to 400 kPa and 140 degrees C.
Determine the settlements when a stress of 100 kPa is applied by the building over an area of 10m × 5 m on the soil surface.
A plumber places his hands 18 inches apart on a pipe threader and can push (and pull) with 80 lb of force. What couple moment does he exert? How much could he exert if he moved his hands to the ends so that his hands are 254 inches apart?
The specific weight of aire is .075 lb/ft^3. The physiological limit of the power for this well trained cyclist is .5 hp (1hp=550 ft*lbs/s) Neglect rolling friction, find the max speed of the bicycle.
Heat in the amount of 150 kJ is transferred directly from a hot reservoir at TH= 550 K to two cooler reservoirs at T1 = 350 K and T2 = 250 K.
During the process 40 kJ of heat is transferred from the sphere, while the sphere receives energy in the form of work equal to 20kcal. calculate the change in the sphere's internal energy in kJ.
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