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A nuclear power plant operates at 79% of its maximumtheoretical (Carnot) efficiency between temperatures of660°C and 370°C. If the plant produces electric energyat the rate of 1.3 GW, how much exhaust heat is discharged perhour?
J/h
In a car collision, the driver's body must change speed from a high value to zero. This is true whether or not an airbag is used, How does it reduce injury
compass needle points 25 degrees E of N outdoors. However, as it is placed 17 cm to the east of a vertical wire inside a building it points 61 degrees E of N. What is the magnitude of the current in the wire? The earth field there is 0.50X10^-4 T ..
A circuit contains six 240 ohm lamps with 60 W bulbs and a 10 ohm heater connected in parallel. the voltage across the circuit is 120 V. If the circuit has a fuse rated at 12 A, would it melt if everything is on.
An ideal gas in a container is at a temperature of 70.6°C. What is the average translational kinetic energy of a gas molecule in the container
A handheld digital multimeter (DMM) is used to measure the portential difference accross the first resistor by placing probe leads at each end of this resistor.
A train moving with constant velocity travels 190m north in 14s and an undetermined distance to the west. Find the direction of the train's motion relative to north
There has long been an interest in using the vast quantities of thermal energy in the oceans to run heat engines. What is the maximum possible efficiency of such a power plant
5.38 mol of an ideal gas is initially at a pressure of 3.75 atm and a temperature of 268oC While the pressure is kept constant, Determine the new temperature of the gas
an alpha particle has a charge of 2.00e. how much work is required to move this particle across a potential difference of 2270 volts?
using a modified version of Kepler's third law. Using a mass formula M1 = a^3/P^2 use this mass to determine the mass of Jupiter using data from its moon Callisto, calculate the mass of Jupiter
Assume a uniform mass distribution before and after. Icm for a solid sphere of uniform density is 2/5 mr2.
A 2.1 kg block of wood rests on a long tabletop. A 22.7 g bullet moving horizontally with a speed of 168 m/s is shot into the block and sticks in it. obtain magnitude of frictional force between block and table
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