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Each second, a nuclear power plant generates 2000 MJ of thermal energy from nuclear reactions in the reactor's core. This energy is used to boil water and produce high-pressure steam at 300°C. The steam spins a turbine, which produces 600 MJ of electric power, then the steam is condensed and the water is cooled to 30°C before starting the cycle again.
A) What is the maximum possible thermal efficiency of the power plant? (in %)
B) What is the plant's actual efficiency? ( in %)
assume a bar 2.5 m long expands 0.5 cm when heated. By how much will a bar 100 m long of the same material expand when similarly heated.
A single slit 1.0mm wide is illuminated by 500nm light. What is the width of the central maximum (in cm) in the diffraction pattern on a screen 4.0m away
As F is enhancement d, the block would either begin to slide, or begin to tip over. What must be the coefficient of static friction ms so that the block begins to slide rather than tip.
A 191g oscillator has a speed of 96.50cm/s when its displacement is 2.70cm, What is the oscillators maximum speed
At t=0, a proton is moving with the speed of 5.5×10^5 m/s at an angle of 30 degrees from the x-axis, as shown in the figure. A magnetic field of magnitude 1.5 T is pointing in the positive y-direction. What would be the y-coordinate of the proton ten..
Satellite orbits the earth at a distance equal to twice the earth's radius above the surface of the earth (the total distance from the center of the earth is three times the radius of the earth).
A RC circuit is to be wired for testing using a 33 ohm resistor anda 100 mirco farad capacitor. The signal source is a squarewave generator, Calculate the expected time constant
A uniform rod of mass 1.5kg and Length=0.18m rotates clockwise on the plane of your paper at an initial rate of 40rev/s about its central axis. Determine the initial angular momentum of the rod
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
Two blocks, masses m1 and m2 are connected by an ideal string passing over an ideal pulley. Find the acceleration of each block
A transparent oil with index of refraction 1.21 spills on the surface of water (index of refraction 1.33), determine the thickness of the oil slick
20 kg of water occupy a volume of 1 m^3 in a piston cylinder device at a pressure of 45 bars, Determine the final temperature of the water and Calculate the work and heat involved during this process
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