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Satisfy me by solve the certain problem
Problem- We wishes to increase the efficiency of an ideal heat engine from 25% to 35%. If the initial temperature of the hot reservoir is 650oC, to what temperature would this need to be increased assuming the exhaust temperature remains the same?
You want to solve the above problem.
The work function for aluminum is 4.08 eV. Find the cutoff wavelength for aluminum
What is the temperature T of the Concorde's skin in flight?
A crate of mass 46 kg is pushed across a level floor by a person. what is the work done by the person
the longest shot on a golf tournament was made by Mike Austinin 1974. The ball went a distance of 471 meters. Calculate the height of the cliff
A spaceship in distress sends out two escape pods in opposite directions. One travels at a speed of v1 = -0.60c in one direction, and the other at a speed of v2 = 0.60c in the other direction. What is the speed of the second pod with respect to the f..
A cosmic ray has a lifetime of 2 mirco seconds. At what minimum speed must it travel to cover a distance of 100km as measured by a stationary observer
Continuation of Problem 8 and Problem 37. Another explanation for the sliding stones of Racetrack Playa in Death Valley, what is the required wind speed near the sheet
A person walks first at a constant speed of 4.60 m/s along a straight line from point Ato point B and then back along the line from B toA at a constant speed of 2.90m/s. What is her average speed over the entiretrip?
A concave shaving mirror has a radius of curvature of 40.1 cm. How far is the mirror from the man's face
a point charge q is held at a distance of 2a from the center of an isolated and the conducting sphere of radius a. what is the potential of the sphere
a 1200-turn coil of wire that is 2.3 cm in diameter is in a magnetic field that drops from 0.12 t to 0 in 9.0 ms. the
An inquisitive physics student and mountain climber climbs a 55 m cliff that overhangs a calm pool of water. At what time after release of the first stone will the two stones hit the water
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