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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.
a contact lens is made of plastic with an index of refraction of 1.54. the lens has an outer radius of curvature of
An aircraft starts at rest and is accelerated at 7.5 m/s2 for 11.9 sec, at which time the aircraft launches. Find the distance traveled from starting point to launch point
A flat coil of wire is used with an LC-tuned circuit as a receiving antenna. The coil has a radius of 0.35 m and consists of 480 turns. find the magnitude of the average emf induced in the antenna
A charge of 6.22 mC is placed at each corner of a square 0.170 m on a side. Determine the magnitude of the force on each side
Consider a solid conducting sphere surrounded by a concentric hollowed out sphere with a definite thickness, Then calculate the potential as a function of r
Two concentric hollow metal spheres have radii r1=1.50E-2 m and and r2=6.80E-2 m. At a point 9.80E-2 m from the center of the spheres, the electric field is directed outward and has a magnitude 2.08E+2 N/C. At a distance 5.80E-2 m from the center,..
question consider two oppositely charged parallel metal plates. the plates are square with sides l and carry charges q
light of wavelength 700 nm falls on a 0.38 mm wide slit and forms a diffraction pattern on a screen 1.3 m away.a find
A 7.00-kg bowling ball moves at 2.45 m/s. How fast must a 2.00-g Ping-Pong ball move so that the two balls have the same kinetic energy
A ball is thrown vertically upward with a speed of 23.1 m/s from a height of 2.1 meter. Find how long does it take to reach its highest point
A bottle has a mass of 35.00 g whenempty and 98.40 g when filled with water. What is the specific gravity of this other fluid
A ball of mass m makes a head-on-elastic collision with a second ball (at rest) and rebounds with a speed equal to one-fourth its original speed. What is the mass of the second ball.
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