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1.If the magnitude of the resultant force is to be 500 N directed along the positive y axis determine the magnitude of force F and its direction
2.A particle begins from s=0 and is traveling along a straight path at a velocity of v=(t^2-4t+3) m/s, where t is in seconds. Construct a v-t graph and an a-t graph at the time interval t=0 to t=4 s.
3.A flow of 28 m3s-1 occurs in an earth-lined canal having a base width of 3 m, side slopes of 1(vertical) to 2 (horizontal) and the Manning’s n value of 0.022. Calculate the critical depth and critical slope
The beam is positioned such that the observer on the train measures an angle of 19 between the crossbeam and the floor of the train. At what speed would the train have to be traveling in order for an observer standing outside the train
The plant is to employ alum coagulation. and pertient data for the folcculation basin are as follows: detention time = 20 min, G = 35 /sec at 50F, GT = 10000 to 100000, width = 1.25 depth, length = 2width, no baffling, number of impellers = 2
At the end of year 1 the piece of equipment is worth $15,000 and at the end of year 2 $13,000, and at the end of the third and final year the salvage value is equal to $9,000.Applying the straight line depreciation, calculate the depreciation expe..
At failure, the respective minor and major principal stress values are 20 kPa and 46 kPa for one and 40 kPa and 80 kPa for sample two. From these data, determine the value for (phi)cu and the cohesion intercept c on the Mohr's circle shear stress ..
A water treatment llant and the water treatment plant removes calcium hardness (Ca2+) by precipitating (making) CaCO3(s). If, after establishing equilibrium with CaCO3(s), the dissolved Ca2+ concentration is 10 mg/L and the pH is 10.5.
Determine how many years from now the consumption will reach its design capacity with current usage rates if the community has a declining growth rate.
determine the rate of discharge through the gate; b) determine the critical depth , yc at the minimum energy, Es,min; c) determine the critical depth, yc at the current flow; d) determine the alternate depth; e) determine the flow regime (sub- or ..
If the interfacial tension between air-mercury interface in a capillary tube is 480 dynes/cm and the contact angle through the mercury is 140, what would be the capillary pressure between oil and water
what is the probability that less than 0.5 inches of precipitation will occur in any January? What is the probability that more than 2.5 inches wil
calculate the change in entropy of a gas of mass 8kg when 100 kj of heat energy is supplied to the gas. the temperature of the gas remains constant at 100 c during the heat transfer process
Route 1 has a free flow travel time of 4 mintutes and travel time increases by 3 minutes and for each additonal 1000 vehicle in flow, and route 2 has a free flow travel time of "b" minutes and travel time increases
A civil engineering student contends that 60 mph is safe in a van because of the higher drivers line of site. If all other design inputs are standard, what must the drivers eye height be in the van for the students claim to be valid
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