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In 1853, John Ericsson constructed a huge 300. hp hot air engine that ran on the Ericsson cycle. It had pistons 14.0 ft in diameter and it consumed 2.00 lbm of coal per indicated horsepower hour.
Assuming a heating value for coal of 13.0 × 103 Btu/lbm and that the engine was reversible, determine the thermal efficiency of this engine.
Sea Launch mission planners are going to launch their Russian launch vehicle from a Lo = 3 degrees into LEO with an inclination of 34 degrees and the longitude of ascending node of 124 degrees. Current LST at the launch site is 1140.
For electrons in a metal, why is the density of states at the Fermi energy approximately equal to the density of free electrons divided by the Fermi energy
Coherent light from a sodium-vapor lamp is passed through a filter that blocks everything except for light of a single wavelength. What is the wavelength of the light that falls on the slits
Compare the terminal velocity of a 10 nanometer particle with a 100 nanometer particle. Which one falls through air faster? What are the approximate speeds of both particles? Use Pg=1.225 Kilogram per cubic meter and 1000 Kilogram per cubic meter.
Someone decides to produce electrical power by turning a coil with 10^5 circular loops in the Earth's magnetic field. determine the average power obtained from this device
Determine the acceleration of the fireman while stopping. Determine the time it takes for the fireman to stop after reaching the ground.
An aircraft with a mass 315 kg is accelerated at 8.3 m/s2for 5 seconds, at which time the aircraft launches. Assume the acceleration is constant. What is the force required to launch the aircraft?
A ball is dropped from rest from the top of a building of height h. At the same instant, a second ball is projected vertically upward from ground level, such that it has zero speed when it reaches the top of the building. When the two balls pass each..
Starting from rest, a 5.5-kg block slides 3.00 m down a rough 30.0° incline, Determine the work done by the friction force between block and incline
The chicken is dashing toward home plate with a speed of 5.8 m/s when he decides to hit the dirt. The chicken slides for 1.1s, just reaching the plate as he stops. a) what is the magnitude and direction of the chicken's acceleration? b) How far did t..
In an electric motor, a coil with 100 turns of radius 2.0 cm can rotate between the poles of a magnet. The magnetic field strength is 0.20 T. When the current through the coil is50.0 mA, what is the maximum torque that the motor can deliver?
Two small silver spheres, each with a mass of 12.0 g, are separated by 1.00 m. Calculate the fraction of the electrons in one sphere
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