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A Steam-powered catapult on an aircraft carrier accelerates a 16000-kg aircraft from zero to 320 km/h in 2 seconds. Assume that the acceleration is constant. A) Determine the work done by the catapult on the aircraft. B) Determine the kinetic energy of the aircraft at the moment it takes off.
A horizontal platform rests on four vertical springs, each of stiffness 15kN/m and mass 0.25kg. what will the frequency of oscillation of the table be if it has a mass of 2.okg
a cast-iron cylinder of 300mm bore carries a pressure of 30 newtons per square millimetrewhat should be its thickness
design a process to produce a 0.5 cm-diameter steel shaft having excellent toughness yet excellent wear and fatigue
a piston-cylinder device contains 12 kg of saturated vapor r-134a at 2.4 bar state 1. a 110 v electric source supplies
your team has been requisitioned to do the fundamental design of the power plant for a community of 25000 homes. you
a cubic tank 1m3 is filled with air at 280k and 100 kpa. it is fitted with a relief valve that will vent at 600 kpa.
steady-state creep rate data are given for an alloy taken at 474 k with the activation energy for creep of 140000
in a machining operation an 8 minute tool life was achieved at a cutting speed of 500 fpm. at a cutting speed of 250
the spring mounted slider moves in the horizontal guide with negligible friction and has a velocity vo in the
in an air compressor the pressure at inlet and outlet are 1bar and 5bar respectively. the temperature of the air at
A piston-cylinder assembly contains a two-phase liquid-vapor mixture of H2O at 160 lbf/in^2 with a quality of 70%. The mixture is heated and expands at constant pressure until a final temperature of 480oF is reached. Determine the work for the proces..
a balloon is to be filled from a helium tank. the tank is large and the tank pressure remains effectively constant
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