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1.Find the absolute value of the magnitude of force vector B if the resultant force= 1000 lb, force vector A= 1000 lb, and the resultant forms a 45 degree angle with B, and vector B runs parallel to the y axis. Also find the angle in degrees between vector A and the resultant.
2.A particle is moving with a velocity of Vo when s=0 and t=0. If it is subjected to a deceleration of a = (-K)v^3, where K is a constant, determine its velocity and position as functions of time.
3.The acceleration of a particle traveling along a straight line is a=(1/4)s^1/2 m/s^2, where s is in meters. If v=0, s=1 m when t=0, determine the particle's velocity at s=2m
Determine the maximum allowable misclose for this engineering survey using the formula based on the munber of instriunent stations used in the work.
The lake has a surface area of 2 acres and a mean depth of 6 feet. The flow into the river is 200 cubic feet per second (cfs). The antibiotic is degraded naturally in the lake with a first-order rate constant of 0.002 s
1. A block of moist soil weighs 12.72 lbs, is 0.1050 ft3 in volume, has a water content of 9.5%, and has a specific gravity of soil solids of 2.7. Assess: Va, Vw, Vs, S, e, gama d. 2. The moist unit weight of a soil is 18.7 kN/m3 Given that Gs=2.71..
The wind blows horizontally in a direction which is parallel to one of the diagonals of the cross section. Careful measurement shows that, at height y from the ground, the magnitude of the wind velocity is given
Detail description of Staircase with it's plan, design criteria about it for various types of buildings,standerd dimensions of rise & going of stair which is applicable in civil engineering works
a concrete foundation mat in the shape of a regular hexagon ofnbspside 12 ft supports four column loads as shown.
A municipal WWTP discharges 22.5 MGD of secondary effluent containing 45 mg/L of ultimate BOD at 26.7 oC with 1.3 mg/L of dissolved oxygen. The stream flow is 237 ft3/s at a velocity of 2.1 ft/s and an average depth of 7 ft.
effect of acidic water on strength of soil used to store the water. the reduction in strength at various acidic ph
A 12inx1inx3in ASTM 36 steel bar is loaded with an axial load of 90,000lbs and a transversal load of 288,000lbs (force applied perpendicular to the 1in side) The proportionality limit is 34,000psi.
When a rocket reaches an altitude of 40 m it begins to travel along the parabolic path (y-40)^2=160x, where the coordinates are measured in meters. If the component of velocity in the vertical direction is constant at Vy=180m/s
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 fron the present 600F to 250F, the performance would improve.
what is the final dissolved oxygen concentration (in mg/L) in the waste lagoon after all of the ammonium (NH4 + ) is converted to nitrate? Recall that 4.57 mg of O 2 is need per mg of ammonium (as N) oxidized during nitirification. After all of the..
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