What length of the existing level highway must be reconstruc

Assignment Help Civil Engineering
Reference no: EM13559348

1.At a railroad crossing, an overpass must be built centered over the tracks at a height of 24ft and be 200ft long. the existing highway has a design speed of 50mi/hr. what length of the existing level highway must be reconstructed to provide an appropriate vertical alignment?

2.A child accidentally runs into the street in front of an approaching vehicle. The vehicle is traveling at 45 mi/h. Assuming the road is level, at what distance must the driver first see the child to stop just in time?

A)194.5 ft

B)359.5 ft

C)382.8 ft

D)165.0 ft

Reference no: EM13559348

Questions Cloud

Determine the aquifer transmissivity : The initial piezometric head in a confined aquifer has a thickness of 11.6 m is 85.7 m above sea level. A well with a radius of 0.5 m pumps at a constant rate of 1240 m3/day. After the cone of depression has achieved equilibrium, the piezometric head..
Calculate the hydraulic conductivity of the aquifer : A pumping well of 0.75-m radius fully penetrates an unconfined aquifer of 24-m thickness and produces at a rate of 10 L/s. After a long period of pumping well is 1.6 m. The drawdown in another observation well 60 m from the pumping wel
Estimate the weight of concrete in a four-lane highway : Estimate the weight of concrete in a four-lane highway segment that begins as a 3% grade climb from 1000 feet altitude to 4000 feet and then a 6% downgrade to 2500 feet
Highlight the area of the graph that represents work : Consider a piston-cylinder device. Within this device, a quasi-equilibrium process occurs for which the pressure changes according to the equation p = 300V2 + 1000 V + 1000, with p, pressure, in psfa, and V, volume
What length of the existing level highway must be reconstruc : At a railroad crossing, an overpass must be built centered over the tracks at a height of 24ft and be 200ft long. the existing highway has a design speed of 50mi/hr. what length of the existing level highway must be reconstructed to provide an approp..
Find the pollutant concentration leaving each pond : The two-pond system shown below is fed by a stream with a flow rate of 1.0 MGD and a non-conservative pollutant concentration of 20.0 mg/L. The rate of biological consumption is 0.3 day-1.
At what point on the expressway should the motorist : A motorist traveling at 55 mph on an expressway intends to exit from the expressway using an exit ramp with a maximum allowable speed of 30 mph. At what point on the expressway should the motorist step on her brakes in order to reduce her speed to th..
Determine the drivers perception/reaction time before : A test of a driver’s perception/reaction time is being conducted on a special testing track with wet pavement and a driving speed of 55 mph. When the driver is sober, a stop can be made just in time to avoid hitting an object that is first visible 52..
What distance away from the truck was he when he first : A motorist traveling at 55 mph down a grade of 5% on a highway observes an accident involving an overturned truck ahead of him which completely blocked the road

Reviews

Write a Review

Civil Engineering Questions & Answers

  Value of the kinetic energy correction coefficient

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.

  Calculate the required downpayment and monthly payments

The PV for both options (including the down payments) is the same, $8000. What additional factors should terry consider when deciding which aid the best deal for her?

  Solve for steady-state concentration of both compounds

Atrazine, a neutral triazine herbicide manufactured by the Ciba-Geigy group, undergoes biological and chemical decomposition to formhydroxy-atrazine. a).Assuming a pseudo first order decay constant of 0.01/day for atrazinr and 0.005/dayfor hydroxy..

  Calculate the chohesion of the clay in the natural states

A vane, 10 cm long and 8 cm in diameter, was pressed into soft clay at the bottom of a bore hole. Torque was applied and gradually increased 45 N-m when failure took place. Subsequently the vane rotated rapidly so as to completely remould the soil..

  Determine what is the current value of grannys savings

Granny viola has been saving money in the Bread and Butter mutual fund for 15 years . She has been a steady depositor over those years and has a pattern of putting $100 into the account every 3 months.

  Calculate the bod loading and days of winter storage avail

Facultative stabilization ponds with a total surface area of 6.0 ha serve a community with a waste discharge of 530 m cubed/d at a BOD of 280 mg/l.

  How large could the plant be without having the ground

A 35 percent-efficient coal-fired power plant with effective height of 100 m emits SO2 at a rate of 0.6 lb/10^6 Btu into the plant. If winds are assumed to be 4 m/s at the stack height and just over 3 m/s at 10 m

  Determine the acceleration of an air particle on the x-axis

The velocity of flow toward the sphere along the longitudinal axis is found to be u = - U0 (I - r~/_xl), where r0 is the radius of the sphere and x the distance from its center.

  Determine what is the power delivered to the fluid

Water enters and leaves a pump in pipelines of the same diameter and approximately the same elevation. If the pressure on the inlet side of the pump is 30 kPa and a pressure of 500 kPa is desired for the water leaving the pump

  How much will each leg shorten under the applied

given that E for the tube material is 70 GN/m2 and the stool legs are 75cm long, how much will each leg shorten under the applied compressive load (take g = 9.8m/s2)

  Plot of log-log grah of the flowrate as a funciton of h

Water flows from a large open tank through a sharp edged entrance and into a galvanized iron pipe of a length 1.5 miles and diameter of 4 inches. The water exits the pipe as a free jet at a distance

  Determine number of window air conditioning units required

A classroom that normally contains 40 people is to be air conditioned with window air conditioning units of 5 kW cooling capacity. A person at rest may be assumed to dissipate heat at a rate of about 360kJ/h

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd