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A capacitor is not the most efficient device for storing energy.Batteries can store more energy in much less space. For example, atypical 12 V automobile battery stores on the order of 1.00106 J.(b) Suppose that such a capacitor was made in the form of aparallel-plate capacitor with a vacuum between the plates and an electric field no greater than 5.00106 V/m. What is the minimum area of the plates?? m2
Two point charges of -1microC and 2microC are separated by a distance of 0.30m. What is the electrostatic force on each particle
A bug is on the edge of a rotating record player moving toward a light positioned along the edge of record player as well. Determine the accelerations acting on the bug
Water moves through a constricted pipe in steady, ideal flow. At the lower point shown in the figure below, the pressure is 1.65 105 Pa, Find the volume flow rate through the pipe
An alpha particle ( a doubly ionized helium atom with a mass of 6.64 x 10^-27 kg) is traveling with a velocity v=1x10^6 m/s j, What direction is the magnetic field above
The work function for iron is 4.50 eV. Find the cutoff wavelength for iron and What is the lowest frequency of light incident on iron that releases photoelectrons from its surface
a 406.0 kg copper bar is put into a smelter for melting. the initial temperature of the copper is 300.0 k. how much
An astronaut stands by the rim of a crater on the moon, where the acceleration of gravity is 1.62 m/s2. what is the depth of the crater
A railroad car with a mass of 2.46 x 10^4 kg moving at 3.25 m/s collides and joins with two railroad cars already joined together, each with the similar mass as the single car and initially moving in the same direction at 1.49 m/s.
Two 12 kg blocks are fastened to the ceiling of an elevator asin figure P 4.15. The elevator accelerates upward at 3.00 m/ssqed. find the tension in the top rope. find the tension in the bottom rope.
Radar is used to scan for airplanes near an airport. If an airplane is 10 km from the airport, what is the round-trip travel time for the electromagnetic wave used by the radar system
A stream of water strikes a stationary turbine blade horizontally, as the drawing illustrates. Find the magnitude of the average force exerted on the water by the blade
A spring is compressed by 0.0748 m and is used to launch an object horizontally with a speed of 2.64 m/s. at what angular frequency (in rad/s) would it oscillate
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