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1.The pressure on a sample of 20 degree mercury is increased from 1 atmosphere to 100 atmospheres isothermally. Calculate the relative increase in density.
2.A lesson in unit conversion and ship, plane, (and pilot)requirements. In order to take off from an air-craft carrier, a plane is attached tocatapult which accelerates it from 0 to 160 mph in 2.0 seconds. Assume that this acceleration is a constant value.
a) Calculate the acceleration in meters per secondsquared and compare to the value of the gravitational accelerationnear the Earth's surface (9.8 m/s^2)
b) How long (in meters) must the deck of the aircraftcarrier be?
1. draw a plan of a typical strip mine showing all operational features and equipment.2. answer the followinga. why is
The 81-lb uniform square plate is supported by a ball-and-socket joint at O, a cable at E, a fixture at A which can support vertical force only, and a linear spring at C. If the unstretched length of the spring is 4 in.
Determine the actual detention time observed in the field of two circular settling tanks with depth 3.5 m that was designed to have an overflow rate not exceeding 60 m3/m2-day and a detention time of at least 2 hour.
The force exerted by the potatoes on the frame at one side of the chair is equivalent to horizontal and vertical forces of 24 N and 84 N, respectively, at E and a force of 28 N perpendicular to member BH at G.
you are a project manager on site where work for 3k.m. long tunnel has been undertaken. the site is remote and takes
The 5.5 Mg humpback whale is stuck on the shore due to changes in the tide. In an effort to rescue the whale, a 12-Mg tugboat is used to pull it free using an inextensible rope tied to its tail.
Draw a picture of a typical strain gauge and point out the major components. Give a short explanation on the principal behind how a strain gauge works.
Plot a graph showing the discarge per unit width per unit width q for various depths if the specific energy remains constant at this value. What will be the depth when the discharge is 1/3 of the discharge at critical depth
The inflow to a small reservoir during a storm may be described by the equations Q=1000(1-e^-kt) where Q= flow in cfs k= runoff rate = 1.0 per hour t = time in hours The outflow through the dam gates is held constant at 800 cfs.
A large company in the communication and publishing industry has quantified the relationship between the price of one of itsproducts and the demand for this product as Price = 150- 0.01 x Demand for an annual printing of this particular product.
A powered model rocket is launched in the vertical direction. The altitude of the rocket is 100FT (above ground level) at the end of the powered portion of the flight. The rocket lands 19.676 seconds from the powered portion of the flight.
a bar of the cross section is shown in figure 3 and is made of steel that is assumed to be elastoplastic
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