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A heat engine operates as a reversible Carnot cycle transfers 6.0 kW of heat from a reservoir at 1000 K and then rejects it to the atmosphere at 300 K. Please show your work.a) Calculate the thermal efficiency of this engine.
b) Calculate the power output of this engine.
The density of a certain metal solid is 7.2 x 10 ^ 3 kg/m^3, What is the speed of sound in this metal
X-rays having an energy of 280 keV undergo Compton scattering from a target. The scattered rays are detected at 36.0° relative to the incident rays. Find the Compton shift at this angle
An 85 kg man lowers himself to the ground from a height of 5.6 m by holding onto a rope that runs over a frictionless pulley to a 75 kg sandbag
Bacillus thuringiensis is a bacterium that produces a crystalline poison that is deadly to certain insects. What is the name of the gene that codes for the protein
When two capacitors are connected in parallel their equivalent capacitance is 12 ?F. What is the capacitance of the smaller of the two capacitors
a circular loop of wire 14 cm in diameter is placed with its normal at an angle ? = 37° with the direction of a uniform magnetic field of magnitude B = 0.51 T, What is the emf induced in the loop
A goldfish is swimming inside a spherical bowl of water having an index of refraction n = 1.333. determine the apparent distance of the goldfish from the wall
A long, straight wire carrying a current of 4.00 A is placedalong the axis of a cylinder of radius 0.500 m and a length of 2.00m. Determine the total magnetic flux through the cylinder
Two equal charges Q are positioned at points (x=l, y=0) and (x=-1, y=0).Find where the field is a maximum. define your answer in terms of the variables , , and appropriate constants. If there is more than one answer, separate them by a comma.
A man with a mass of 90.7 kg stands up in a 71-kg canoe of length 4.00 m floating on water. How far does the canoe move
A 7 kg bowling ball moving at 15 m/s hits a 1 kg pin at rest. The ball leaves at a 10 degree angle at 13 m/s. Calculate the angle and velocity of the pin immediately after the collision
You have a wire of length L = 1.9 m for making a square coil of a dc motor. The current in the coil is I = 1.6 A, Find the maximum torque exerted on the coil
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