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A coal-fired electric power plant has an overall efficiency of 35% and an output of 1,496 megawatts. How many terajoules (trillions of joules) of waste heat does it reject to the environment each day?
Monochromatic light falls on two very narrow slits0.042mm apart. Successive fringes on a screen6.50m away are 8.4cm apart near the center of the pattern. Determine the frequency of the light.
The water in a deep underground well is used as the cold reservoir of a Carnot heat pump that maintains the temperature of a house at 299 K. Determine the temperature of the well water
A 1140- car is held in place by a light cable on a very smooth (frictionless) ramp, How hard does the surface of the ramp push on the car
During a 10 minute period, 30 grams of steam condenses into water. How much energy flowed out of the water-steam mixture, What is the change in the entropy of the water-steam mixture
Having captured a mouse, an owl is flying towards the barn where it lives to enjoy dinner. How much times passes before the mouse hits the ground
An electron microscope uses electrons that are accelerated tospeeds of 30000m/s.The electrone than sent perpendicularly throughanother electric field produced between two plastec 1.00cm apartwith potential difference of 12,000volts
The polarizers are rotated, so that the second polarizer has a transmission of 43.6 degrees with respect to the first polarizer, find the intensity of the beam
Blood pressure is normally taken on the upper arm at the level of the heart, what would be the magnitude of the difference between this measurement of blood pressure and a normal blood pressure measurement
An object of mass of 2.0 kg hangs from an ideal massless spring with a spring constant of 50 N/m. What is the amplitude of the resulting oscillations
What is the resistance of a lightbulb that uses an average power of 55.0 W when connected to a 60.0 Hz power source having a maximum voltage of 180 V
a bucket of water of mass 14.7 is suspended by a rope wrapped around a windlass, that is a solid cylinder with diameter 0.280m with mass 11.6 kg. with what speed does the bucket strike the water
Calculate how long a de-orbit burn must last in minutes and secondsto achieve the Shuttle’s change in altitude from 212 miles to60 miles at perigee.
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