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A monorail train starts from rest on a curve of radius 400 meters and accelerates at the constant rate at. If the maximum total acceleration of the train must not exceed 1.5 m/s^2, determine the shortest distance in which the train can reach a speed of 72 km/h, and determine the corresponding constant rate of acceleration at.
a spherical balloon is being inflated so that its volume is increasing at the rate of 5 cu meter/min. at what rate is the diameter increasing when the diameter is 12m?
explain the necessity of super elevation in the design of horizontal curve also prove that rv=v2/{g(fs+e)}
A model of a submarine, at 1:15 scale, is to be tested at 0.8 ft/s in a wind tunnel at standard at mospheric pressure, while the prototype will be operated in seawater. Both the air and water are at 10 C (50 F).
Set up a table showing curve elevations at the PVC, at the PVT, and at the half-station points along the curve. Compute the station and elevation of the curve turning point.
The minimum safe side slope for an excavation in a certain type of soil is 3 horizontal to 1 vertical. If a foundation excavation must be 40 ft wide x 60 ft long x 20 ft deep, How much soil must be removed from the site
If a single deposit of $15,000 is invested at 2.75% yearly interest, what equal year-end withdrawls can be made each year for 10 years, leaving nothing in the fund after the 10th withdrawl
A container of volume 0.04 m3 contains a mixture of saturated water and saturated steam at a temperature of 250oC. The mass of the liquid present is 9 kg. Find the total mass, quality of steam, specific volume, specific enthalpy, and specific inte..
The casting has a mass of 3 Mg. Suspended in a vertical position and initially at rest, it is given an upward speed of V mm/s in 0.3s using a crane hook H. Determine the tension in cables AC and AB during this time interval if the acceleration is ..
Knowing that each member has a 2 3 4-in. rectangular cross section and that each pin has a 12 -in. diameter, determine the maximum value of the average normal stress (a) in member BE, (b) in member CF.
Describe some of the benefits of physical models and mock-ups. What data are required to measure the following cost-effectiveness, system effectiveness, operational availability, and life-cycle cost?
Determine the ASD reference and adjusted design values for the following members and loading conditions. All members are Select Structural Southern Pine and are fully braced to prevent lateral torsional buckling. Bending Occurs about the strong ax..
What is the length of a 2 degree increment along a (A) meridian and (B) parallel at 45N and 115W. Assume the radius of Earth is 6370 km.
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