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A particle A of mass 3m is suspended from a fixed point O by a spring of strength α and a second particle B of mass 2m is suspended from A by a second identical spring.
The system performs small oscillations in the vertical straight line through O. Find the normal frequencies, the forms of the normal modes, and a set of normal coordinates.
a 70 kg boy stands on the edge of a stationary 100 kg platform the platform is on frictionless rollers. suddenly he
a dam in western north carolina takes a 30 m3 s flow of water from the nantahala river and diverts it to a turbine
A 3.03-ft3 rigid tank contains saturated refrigerant- 134a at 100 psia. Initially, 17 percent of the volume is occupied by liquid and the rest by vapor. A valve at the top of the tank is now opened, and vapor is allowed to escape slowly from the tank..
A cold canned drink is left in a warmer room where its temperature rises as a result of heat transfer. Is this a reversible process? Explain.
steam is expanded from 20 bars 280 c to 100kpa through an adiabatic steady flow turbine whose isentropic efficiency is
The drinking water needs of an office are met by large water bottles. One end of a 0.6 cm diameter plastic hose is inserted into the bottle placed on a high stand, while the other end with on/off valve is maintained 0.6 m below the bottom of the bott..
Describe how it has been possible to simplify the optical systems in more contemporary instruments.
In the design of buildings, energy conservation requirements dictate that the exterior surface area, As, be mini- mized. This requirement implies that, for a desired floor space, there may be optimum values associated with the number of floors and..
Consider atmospheric air at 25°C and a velocity of 25 m/s flowing over both surfaces of a 1-m-long flat plate that is maintained at 125°C. Determine the rate of heat transfer per unit width from the plate for values of the critical Reynolds number..
a single-scoop ice cream cone is a composite body made from a single scoop of ice cream placed into a cone. assume that
Compute the volume flow rate through the meter that will cause the mercury to flow into the throat. Note that for a given manometer deflection h, the left side will move down h/ 2 and the right side would rise h/2.
A coal-fired power plant produces and sells 10,000 MW electricity while operating at 40 % thermal efficiency. The sale price of electric power is $0.04 per kWh. How much power does it reject to the atmosphere? How much power (in the form of heat rate..
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