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Attraction of a Sphere Consider a uniform sphere with radius R and mass M, as shown in Figure 2.59. Determine the gravitational attraction force of M on a particle m at a distance a from the center of M.
A polutry farm owns 100 laying hens. Each week a hen can either lay 12 eggs or hatch 4 eggs, but not both. At the end of the four-week period all eggs and chicks will be sold: an egg will bring 10 cents, and a chick will bring 60 cents.
a four cylinder 2.4 liter engine operates on a four stroke cycle at 3200 rpm. the compression ration is 9.41 the
A damped system is driven by a harmonic force F(t)=18 sin(12t). The system has a mass of 17.5 kg and damping constant of 42 N/s/m. Determine the spring constant k which produces maximum amplitude response. Also find out the maximum amplitude; (b) If ..
Design the shaft for fatigue loading. Use distortion energy theory and Soderberg criteria in the design. Note that the shaft is machined. The flywheel and the cranks are fixed to the shaft with sled runner type of keys.
a light truck weighs 3100 lb and is rated at 30 miles per gallon for a 60 mph highway driving on level ground. how much
Consider a simply supported beam of length 50 ft subjected to a uniformly distributed downward load of 10 kips/ft from x=10 ft to x=40 ft and concentrated downward loads of 100 kips at x=10 ft and x=40 ft. Determine the shear and moment diagrams from..
should electric power plants reject energy by heat transfer to large blocks of ice that are maintained by a
a spring-mass system is found to vibrate with a frequency of 120 cycles per minute in air and 100 cycles per minute in
saturated ammonia vapor at 30 degree in celcius is passed over 30 vertical flat plates each of which is 10 cm high and
what is the magnitude of the impulse applied to the projectile by its weight from t 0 s to 3 s? given mass of
Determine the force due to hydrostatic pressure acting on the hinge of the gate shown. The fluid density is d and the width of the elliptical gate (out of the page) is 6H.
When magnesium twins on the {1012} planes in the 10 11> directions, what is the angle between thec-axes (i.e., the [0001] directions) of the twin and the untwinned material? For Mg the lattice parameters are a = 0.32088 nm and c = 0.52095 nm.
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