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A water jet 25mm in diameter moves with a constant velocity of 15 m/s and strikes a stationary and symmetrical curved plate at the center. If the jet is deflected through an angle of 120 at the outlet end of the curved plate, find the force exerted by the water jet in the direction of the jet.
A 2500-lb automobile is moving at a speed of 60 mi/h when the brakes are fully applied, causing all four wheels to skid. Determine the time required to stop the automobile (a) on dry payment (u=0.75), (b) on an icy road(u=0.10).
A 10 feet thick clay that was unsaturated with a unit weight of 108 pcf and a water content of 20% gets saturated and also swells by 20% due to rain. G=2.70.
Determine the mean effective pressure of an ideal Otto cycle that uses air as the working fluid. At the beginning of compression the pressure is 14 psi and the temperature if 60°F.
You purchased a machine 5 years ago for $100,000 and now the machine costs $135,000. What is the average annual inflation rate for this machine
One issue is to calculate the "pooled" variance and "pooled" standard deviation. Since we expect that the variances of the improvement scores by both groups could be a bit different, we'd want an overall value that reflects the variance of both gr..
The coal has an ash content of 12% by mass. Forty percent of the ash falls out the bottom of the furnace. The rest of the ash is carried out of the furnace with the hot gases into an electrostatic precipitator (ESP).
Water is flowing in a 6-cm diameter pipe at 20 m/s at 10?C. If the pipe enlarges to a diameter of 12-cm, calculate the reduced velocity. Also, calculate the mass flux rate and the flow rate.
Given an aluminum simply supported beam with overhang, determine the applied load at the free end with a max deflection of 1”. b= 1”
Assume that the cord used in a bungee jump behaves like a linear spring when it is stretched with a spring constant of 80 lb/ft. A 180 lb student is going for a bungee jump off the Canyon Creek bridge in Washington state.
A 2:1 natural slope is underlain by a 3-m thick (measured vertically) soil cover over bedrock. Compute the factor of safety by using an effective stress infinite slope analysis with c'=0 and o' (theres a line between that)= 35 degrees for the soil..
Assuming that the velocity variation within the main channel and the floodplain subsections is much smaller than the change in mean velocities between subsections, find the value of the kinetic energy correction coefficient.
An investor buys 50 of these bonds at face value, and keeps them for the full 10 years. Compute the rate of return and express the answer to the nearest 0.01%.
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