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the pressure and temperature of steam entering an adiabatic turbine are 4000kPa and 400 degrees C, respectively. if the pressure and the temperature of the working fluid at the exit are 200kPa and150 degrees C respectively, determine:
a) change of exergy of fluid
b) exergy destroyed
ambient temp is 25 degrees c and assume standard atmospheric pressure
A single-turn circular loop of radius 5.5 cm is to produce a field at its center that will just cancel the earth's field of magnitude 0.7
A coil of wire has a resistance of 38.0 ? at 25° C and 43.7 ? at 51° C. What is the temperature coefficient of resistivity
A 600g model rocket is on a cart that is rolling to the right at a speed of 3.0m/s. At what horizontal distance left of the loop should you launch
A 0.5 kg dart is fired vertically from a spring gun that has spring constant of 4000 N/m. Determine maximum height reached by dart.
A 3.0 kg block rests on a 30° slope and is attached by a string of negligible mass to a solid drum of mass 0.80 kg, What is the coefficient of friction between block and slope
As you stand on a pier looking at a harbor, the waves created by a large freighter come ashore. You estimate the wavelength to be 3.0 m, What is the frequency of the wave in hertz
A car moving at 25m/s approaches a stationary whistle that emits a 350Hz sound. The speed of sound in the air is 343m/s, find the frequency of sound heard by the driver of the car
You are stranded on a deserted island. You have some wire, but no magnets. You decide to use the Earth's magnetic field, the only one available to you. What area must the coil have
1) Compute the change in the internal energy of a thermodynamic system under the following scenarios: (i) 50 J of heat added and 40 J work extracted, (ii) 50 J of heat added and 75 J work extracted,
A 15,000?metric ton battle cruiser at rest fires a salvo of six 8?inch shells at a 45o angle with a muzzle velocity of 350 m/s. how far has the cruiser recoiled by the time its salvo hits their target
An astronaut is rotated in a horizontal centrifuge at a radius of 7.5 m. (a) What is the astronaut's speed if the centripetal acceleration has a magnitude of 5.4g? (b) How many revolutions per minute are required to produce this acceleration.
In the fastest measured tennis serve, the ball left the racquet at 73.14 {\rm{ m/s}}. How far did the ball travel during the serve
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