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100kg of methane is compressed from 0.5MPa and 300k to 3.0 MPa and 500K in a closed chamber by a compressor. The compression process is assumed to be adiabatic, calculate the efficiency of this compressor. Specific heat capacity of methane under constant pressure is 35.58 kJ/kmol.K and ideal has constant is 8.314 kJ/kmol.K
when a resistor is connected by itself to an ac generator the average power delivered to the resistor is 1.500 w. when
Star Wars particles consist of a beam of charged particlesshot at a distant target. Let's assume that the beam consists of1.00 mA beam of 200 MeV protons coasting through free space. Determine the number density of the beam
A glass lens with radii R1=+3.0cm and R2=+3.0cm has an index of 1.60 and a thickness of 3.0cm. Calculate the primary and secondary principle points
A person who weighs 656 N is riding a 91-N mountain bike. compute the area of contact between each tire and the ground
A pitcher throws a curveball that reaches the catcher in 0.55s. The ball curves because it is spinning at an average angular velocity of 280rev/min (assumed constant) on its way to catcher's mitt.
A small plane tows a glider at constant speed and altitude. If the plane does 2.09 105 J of work to tow the glider 130m, what is the angle between the two rope and the horizontal
Recall from thermodynamics that if an object of mass m absorbs an amount of energy Q, its temperature will increase according to Q=mc(Tfinal-Tinitial), where c is th specific heat of the material.
four charged particles are fixed in place at the corners of a square with side length 1.20 meters. the square is
A boat capable of making 6.0 km/h in still water is utilized to cross a river flowing at speed of 4.0 km/h. The boat is directed (from the perpendicular to the shore) in such a way that its resulting motion is straight across the river.
An explosion break an object into two pieces, one of which has 3.70 times the mass of the other. find how much kinetic energy did each piece acquire
A baseball outfielder throws a 0.150 kg baseball at a speed of 45.0 m/s and an initial angle of 28.0°. Illustrate what is the kinetic energy of the baseball at the highest point of its trajectory?
A farsighted person has a near point located 210 cm from the eyes. Find the focal length of the converging lenses in a pair of contacts that can be used to read a book held 25 cm from the eyes.
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