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1.A balloon is to be used to carry meteorological instruments to an elevation of 15,000 ft where the air pressure is 8.1 psia. The balloon is to be ?lled with helium, and the material from which it is to be fabricated weighs 0.01 lbf/ft^2. If the instruments weigh 8 lbf, what diameter should the spherical balloon have?
2.A steel I beam is supported by a pin at point A and a rocker at B, and a cable applies a 2000lb force. The beam is uniform and weighs 26 lb/ft. Determine the support reactions.
The four approach volumes per day at this intersection are 28,648, 23,856, 12,150, and 10,174. The crash totals for the last 3 years are 91, 96, and 87. What is the annual crash rate for this intersection
A confined aquifer has a specific storage of 2.5*10^-6 ft^-1 and a thickness of 200 ft. How much water would it yield if the water declined 5.5 ft uniformly over a circular area with a radius of 1000 ft
Calculate the moments M_A and M_B about point A for the forces applied at points A and B. Then, determine the resulting couple moment M_R. Assume that a positive moment produces a counterclockwise rotation whereas a negative moment produces a cloc..
Consider a state with a total water withdrawal of 4.5 bgd in 2000. This was distributed as follows: municipal use 1.0 bgd, industrial use 1.5 bgd, and steam electric cooling 2.0 bgd. Assume a 2000 Population of 10 million and a projection of 12 mi..
Select the best rectangular HSS for a column to support a service dead load of 30 kips and a service live load of 90 kips. The member is 22 feet long and is pinned at the ends.
The relative velocity of two infinitely wide parallel plates thatare 1cm apart is 10cm/s. If the dynamic viscosity of the liquid between the plates is 0.001 N s/m2 what is the shear stress between the plates?
You open a 16 oz (1 pint) bottle of a carbonated soft drink that has a temperature of 5°C, then you get distracted and forget to drink it. You come back quite some time later and find that it has gone "flat," and that it has gotten warm (20°C).
Why is it not possible to obtain the modulus of elasticity in transverse bending by the same method used in a tension test Is there any relationship between the carbon content of these specimens and the four items in the object
A car starts from rest and moves along straight line with anacceleration of a = (3s-1/3)m/s2, where s is in meters. Determine the car'svelocity and position when t = 6s
At what depth will water flow in a 10 m wide rectangular channel, if n=0.01, S=0.0015 and Q=9m^3/s
the inclined leg differential manometer as shown in figure 1 below shows a reading along the inclined leg mercury
In the state of Oklahoma the county roads are designated with a number and a letter. E on roads extending east and west and S on roads extending north and south.Those roads traveling east and west are designated a number and the letter E
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