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In a nuclear power plant, the reactor produces 361? C steam that is used to power the steam turbines which generate 2202 MW of electrical power. The cooling tower eliminates the waste heat at 55?C. If the efficiency of the plant is that of a Carnot engine, at what rate is waste heat vented to the atmosphere?
Answer in units of MW.
A man of mass 86.5 kg and density 970 kg/m3 stands in a shallow pool with 39.1 % of the volume of his body below water
A transverse wave on a string is described by the following equation, where x is in meters and t is in seconds. y = (0.130 m) sin ?(x/8 + 5t), What is its speed of propagation
a 200g hockey puck is launched up a metal ramp that is inclined at a 30° angle. what vertical height does the puck reach above its starting point
An electron accelerated from rest through the voltage of 500V enters a region of constant magnetic field. If the electron follows a circular path with a radius of 17cm, what is the magnitude of magnetic field.
To determine the muzzle velocity of a bullet fired from a rifle, you shoot the 3.71-g bullet into a 2.45-kg wooden block. find the velocity of the bullet on leaving the gun's barrel
Two 4.4 kg bodies, A and B, collide. The velocities before the collision are A = (12 + 46) m/s and B = (-32 + 22) m/s. After the collision, 'A = (-16 + 30) m/s. What is the change in the total kinetic energy
Using the periodic boundary condition, ?k(x+L) = ?k(x) and noting that e(i2pn)=1, determine the allowed values of k in terms of L and an integer n. Are negative values of n allowed?
Two identical light bulbs are connected in parallel to a different source, one with E=9.0V and internal resistance 0.9 ohms. Find potential difference across each bulb
A 13.0-g wad of sticky clay is hurled horizontally at a 110-g wooden block initially at rest on a horizontal surface. The clay sticks to the block.what was the speed of the clay immediately before impact
A railroad train is traveling at 30.0 m/s in still air. What frequency is heard by a passenger on a train moving in the opposite direction to the first at 18.0 m/s and approaching the first
Suppose that, because of an aneurism, the cross-sectional area, A(1), of a normal portion of a blood vessel increases to a value A(2) = 1.7A(1).
A person takes in a breath of 10!C air and holds it until it warms to 37.2!C. The air has an initial volume of 0.73 L, find the work done by the air on the lungs
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