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Assume that radiant energy from the sun arrives at your location with an intensity of 850 W/m2. In this EM radiation, what are the maximum values of the radiated electric and magnetic fields?
When a certain 12-V storage battery is charged, a total of 10^5 C degrees is transferred from one set of its electrodes to the other set
A factory worker pushes a 30kg crate a distance of 4.50 meters along a level floor at constant velocity by pushing it downward at an angle of 30degrees below the horizontal. The coefficient of kinetic friction between the crate and the floor is 0...
A worker pulls horizontally on a crate on a rough horizontal floor, causing it to move forward with constant velocity. In the figure, force is the pull of the worker and force is the force of friction due to the floor.
A coal fired plant generates 600 MW (5.18 x 10^13 J/day) of electric power. The plant burns 4.8 x 10^6 kg of coal each day. what is the ideal efficiency of this plant
Air conditioners are rated by their coefficient of performance at 76^\circ{\rm F} inside temperature and 92^\circ{\rm F} outside temperature. What is the maximum possible coefficient of performance
A uniform thin rod of mass 4.55 kg pivots about an axis through its center and perpendicular to its length. Two small bodies, each of mass 0.577 kg, are attached to the ends of the rod. What must the length of the rod be so that the moment of inertia..
To avoid hitting a pedestrian, a car driver slams on her brakes and comes to a complete stop after skidding 16 m. find the speed of the car when the brakes were applied
Consider a container with a partition in the middle. The container is thermally isolated from the environment. Initially one half of the container is filled with gas A (N molecules) and the other half with gas B (also N molecules).
The electromagnetic wave that delivers a cellular phone call to a car has a magnetic field with an rms value of 1.60 10-10 T. How much energy does this wave carry through the window
suppose a random sample of 49 is selected from a population with a standard deviation of 14. if the sample mean is 125
A nuclear power plant has a power output of 1004 MW and operates with an efficiency of 32%. If excess heat is carried away from the plant by a river with a flow rate of 1e6 kg/s, what is the rise in temperature of the flowing water?
You do 116 J of work while pulling your sister back on a swing, whose chain is 5.0m long, until the swing makes an angle of 32.0° with the vertical
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