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A typical nuclear reactor generates 1000 MW(1000MJ/s) ofelectrical energy. In doing so, it produces 2000 MW of"waste heat" that must be removed from the reactor to keep it frommelting down. Many reactors are sited next to large bodies of waterso that they can use the water for cooling. Consider a reactor where the intake water is at 18 degrees celsius. State regulationslimit the temperature of the output water to 30 degreescelsius so as not to harm aquatic organisms.
Questiona) How many liters of cooling water have to be pumped through the reactor each minute. The answer should be in Liters/min.
A lens for a 35-mm camera has a focal length given by f= 43mm. What is the magnification of the image on the film
A vibrating string with a uniform linear mass density exhibits a single-loop standing wave pattern with a frequency of 600 Hz. determine the ratio of the new tension to the old
The electric field within the membrane separating the inside and outside of a biological cell is approximately 7.8MV/m, what is the potential difference across the membrane
A 1kg block at the bottom of a ramp is on a compressed spring with the spring constant k=300N/m. what is the initial acceleration of the block up the ramp
A small positively charged sphere of mass 4.68 g and charge +72 micro C is suspended horizontally in static equilibrium, find the magnitude of the tension in the horizontal string
An 83.6kg person with density 1055 kg/m^3 stands on a scale while completely submerged in water. what does the scale read
A ball has a diameter of 3.77 cm and average density of 0.0842 g/cm3. What force is required to hold it completely submerged under water
ccccthe Zambesi river in Africa rushes over Victoria Falls at a rate of 25 x 10^6 gallons per minute. The falls are 108 m high, 1 gallon equals 3.785 x 10^-3 m^3 (or 0.1337 cubic foot), and the water has a density of 1.00 x 10^3 kg/m3 (each cubic foo..
An ideal gas initially at 20°C and 219 kPa has a volume of 4.70 L. It undergoes a quasi-static,, Find the heat added to the gas during the expansion.
You have been asked to design a "ballistic spring system" to measure the speed of bullets. A bullet of mass m is fired into a block of mass M. What fraction of the bullet's energy is "lost"
A cyclist starts from rest and coasts down a 4.0?hill. The mass of the cyclist plus bicycle is 85 kg. Ignore air resistance and friction. How fast is the cyclist going
A space station in the form of a large wheel, 311m in diamter, rotates to provide an "artificial gravity" of 5.2m/s^2 for people located on the outer rim. Find the rotational frequency of the wheel
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