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A Carnot refrigerator operating between -10.0 ?Cand + 10.0 ?C extracts heat from the cold reservoir at the rate 100J/s . What are (a) the coefficient of performance of this refrigerator, (b) the rate at which work is done on the refrigerator and (c) the rate at which heat is exhausted to the hot side?
Part A: What is the coefficient of performance of this refrigerator?
Part B: What is the rate at which work is done on the refrigerator?
Part C: What is the rate at which heat is exhausted to the hot side?
You want to photograph a circular diffraction pattern whose central maximum has a diameter of 1.27 cm. How far behind the pinhole should you place the viewing screen
Once the station is completed, it is set rotating at a rate that requires an object at the rim to have radial acceleration, thereby simulating Earth's surface gravity. This is accomplished using two small rockets, each with 130 thrust that are mounte..
Interpretation of Distance-time Graph 1. Which car is ahead and by how much distance after 3 hours? 2. Which car stops moving after 3 hours?
when the field is vertical to the plane of loop, when the field makes a 90.0 angle with the normal to plane.
Automobile engine slows down from 4500 rpm to 1200 rpm in 2.5 s. compute (a) its angular acceleration, assumed constant and (b) total number of revolutions the engine makes in this time.
Two very narrow slits are illuminated by monochromatic coherent light in air that has wavelength 560 nm, What is the distance between the two slits
We have an RC circuit with a 1.0 mega Faraday capacitor, a 20 kilo-ohms resistor, amd a 9.0 volt battery. what is the voltage between the plates of the capacitor
A solenoid is made of 302 turns of wire, wrapped around a hollow cylinder of radius 1.25 cm, What is the self-inductance of the solenoid
During a 80-ms interval, a change in the current in a primary coil occurs. This change leads to the appearance of a 6.1-mA current in a nearby secondary coil. The secondary coil is part of a circuit in which the resistance is 12 Î
A 60.0-kg runner expends 300 W of power while running a marathon. determine the volume of bodily fluid (assume it is water) lost per hour
When a thin slab of semiconducting material is illuminated with monochromatic electromagnetic radiation, Determine the energy gap of the semiconductor
A 15-kg iron ball is dropped onto a pavement from a height of 80m. Suppose half of the heat generated goes into warming the ball. What is the temperature increase of the ball in degree C
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