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An ideal refrigerator utilizes a Carnot cycle operating between 0 degrees Celcius and 18 degrees Celcius.
PART A To turn 11 kg of liquid water at 0 degrees Celcius into 11 kg of ice at 0 degrees Celcius, how much heat is exhausted into the room.
PART B How much energy must be supplied to the refrigerator?
A Beryllium nucleus consists of 4 protons and 5 neutrons. What is the potenial at one of the corners due to the other 3 charges
Two tiny conducting spheres are identical and carry charges of -29.4C and +70.0C. What is the magnitude of the force that each sphere experiences
A beam of protons, each with kinetic energy of 40MeV, approaches a step potential of 30MeV. What fraction of the beam is reflected and transmitted
Your new super power Heat-O-Matic insulated blender has both a violent chopping blade and a heating element, what amount of heat flowed into the water from the heating element
John, a 76-year-old grandfather, had been smoking heavily for 26 years and had a persistent cough. A biopsy of his lung tissue revealed considerable amounts of carbon particles. How might this happen considering the natural cleaning mechanism of the ..
Two objects moving toward each other collide and rebound. Determine the change in kinetic energy of the smaller object
A horizontal beam of electrons initially moving at 4.0x10^7 m/s is deflected vertically by the vertical electric feild between oppositely charged parallel plates. the magnitude of the field is 2x10^4N/C. What is the verticle deflection d of the el..
Draw the displacement for the father and son.
In one form of plethysmograph (a device for measuring volume), a rubber capillary tube with an inside diameter of 1.22 mm is filled with mercury at 20°C, Calculate the resistance of the mercury
Chameleons catch insects with their tongues, that they can rapidly extend to great lengths. In a typical strike, the chameleon's tongue accelerates at a remarkable 250 m/s^2 for 20 {rm ms}, then travels at constant speed for another 30 {rm ms}.
When you take a bath, how many kilograms of hot water (51 °C) must you mix with cold water (14°C) so that the temperature of the bath is 36 °C? The total mass of water (hot plus cold) is 192kg. Avoid any heat flow between the water and its externa..
A student has built a 20-cm-long pinhole camera for a science fair project. She wants to photograph the Washington Monument, How far should she stand from the Washington Monument
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