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A buoy in the form of a uniform 8 m pole 0.2 m in diameter has a mass off 200 kg and is secured at its lower end to the bottom of a fresh water lake with a 5 m cable. the depth of the water is 10 m.
a) draw a free body diagram and identify all forces and their locations acting on the pole.
b) calculate the angle made by the ole with the horizontal.
An automobile modeled as a single-degree-of-freedom system free to vibrate in the vertical direction. In a free vibration test the amplitude of oscillation is observed to decrease from 20mm to 2 mm in one cycle which takes 3 seconds.
Determine the velocity of slider block C at t=0, (b) the acceleration of A and C, (c) the change in position of block A after 5s.
Let m be the total length of dislocations per unit area of a grain boundary. Assume that at yield, all the dislocations in the grain interiors (?) are the ones emitted by the boundaries. Assume also that the grains are spherical (with diameterD). ..
Find the angular velocity and angular acceleration needed to keep the prisoner in the beam of the spot light at the moment when the prisoner is 4000 ft away from the spot light.
A loose, uncompacted sand fill 6 ft in depth has a relative density of 40%. Laboratory tests indicated that the minimum void ratios of the sand are 0.46 and 0.90, respectively. The specific gravity of solids of the sand is 2.65.
Water under a gage pressure of 350kPa flows with a velocity of 5 m/s through a right-angled bend that has a uniform diameter of 250 mm
Determine a composite SCS runoff curve number for a 600-acre basin that is totally within soil group C. The land use is 40 percent contoured row crops in poor hydrologic condition and 60 percent native parture in fair hydrologic condition.
An object which has a volume of 0.18 m^3 requires a force of 265 N to keep it immersed in water. If a force of 157 N is required to keep it immersed in another liquid, find the specific gravity of the liquid
a layer of clay, 5m thick, overlies a deposite of sand, 5m thick, which is underlaid by rock. the water table in the sand is sub-artesian with a level at 2m below fround level. the saturated unit weights of the clay and sand are 21 and 16 KN/m^3 r..
Our ESP is collecting 95% of the particles in our exhaust stream. We are under pressure to improve its performance. It has been suggested that if we were to cool the inlet gas from the present 600°F to 250°F, the performance would improve
In its natural state, a moist soil has a volume of 0.33 ft3 and weighs 42.55 lb. The oven-dried weigth of the soil is 35.56 lb. If Gs = 2.63, what is the void ratio of the soil
A water treatment plant has 6 settling tanks that operate in parallel (the flow gets split into six equal flow streams), and each tank has a volume of 600 m3.
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