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The object ABC consists of two slender rods welded together at point B. Rod AB has a mass of 1 kg and bar BC has a mass of 2 kg. Knowing the magnitude of the angular velocity of ABC is 10 rad/s when thetha is zero. Determine the components of the reaction at point C when thetha is zero.
ten kilograms of saturated liquid water at 5 bar is heated in a piston-cylinder assembly at constant pressure until temperature reaches 400 degrees C. A. Show the process on a T versus v diagram.
A motorcycle starts from rest at time t=0. The force on it from t=0to 30 seconds is F=300-9t. The combined mass of the motorcycle andthe rider is 225 kg. Use the Impulse and Momentum method to find the magnitude of the velocity at t=30 seconds.
A 40 cm diameter well has been constructed in a water-table aquifer. A pump capable of continuous discharge at 600 m3/day has been installed to test the well. Observation wells are located 10 meter and 50 meters from the pumped well. After pumping co..
A 12 ft x 12 ft square area carrying a uniform load of 5000 lb/ft^2 s applied to the ground surface. Find the vertical stress increment due to the load at a depth of 25 ft below the center of the loaded area.
A water tank has a height of 120m, and its area of cross-section is 2000m. Water is released from the tank and the water level drops by 1 meter every minute. Find the rate of change in volume.
If the coefficient of sratic friction between the wheels at B and the ground is 0.5 determine if it is possible to pull at p=1200 lb without causing the wheels at B to slip or the front wheels of A to lift off the ground
a bearing wall carries a dead load of 120kn/m and live load of 100 kn/m. It is to be supported on a 400mm deep continuous footing underlain by a medium sand (unit weight = 19.2 kn/m3, phi= 37 deg, effective c = 0).
A polystyrene rod consisting of two cylindrical portions AB and BC is restrained at both ends and supports two 6 kip loads. Knowing that E = 0.45 * 10^6 psi,
Calculate the force (in Kn) a punch press must exert if it is to punch out a large washer from a strip of 5-mm thick sheet steel with an ultimate shear strength of 400 MPa. The washer dimensions are as follows: hole diameter is 27 mm. outside diam..
when a force F acts on a linear spring, the elongation x of the spring is given by F=kx, where K is called the stiffness of the spring. Determine the dimension of K in terms of the base dimensions of an absolute system of units
The distance between the piston and the cylinder is .0011 inch. If the piston decelerates at 1.85 ft/s^2, when the speed is 19.5 ft/s. What is the viscosity of the oil. cylinder is 6 in high and 5 in long.
A large parabolic antenna is designed against wind load. During a wind storm, the maximum wind-induced pressure on the antenna, P, is computed as P= 1/2CRV^2 Where C = drag coefficient, R = air mass density in slugs/ft3,
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