Physics, 16.09.2019 23:30 EllaLovesAnime
One kind of e-book display consists of millions of very small spheres that float in a thin fluid layer between two conducting, transparent plates. each sphere is black on one side and white on the other, and possesses an electric dipole moment directed from the white side to the black. when an electric field is applied between the plates, the spheres rotate so that their dipole moment lines up with the field. depending on the field's direction, either the black or the white sides of the spheres can be made visible. the dipole moment of the spheres can be modeled as two opposite charges of magnitude 3.110? 15c separated by a distance of 100 ? m. what is the maximum possible torque on a sphere if the electric field between the transparent plates is 4.2105n/c ? a 20nc charge experiences a 0.047n electric force. what is the magnitude of electric field at the position of this charge?
Answers: 3
Physics, 21.06.2019 21:00
Ahowler monkey is the loudest land animal and, under some circumstances, can be heard up to a distance of 4.6 km. assume the acoustic output of a howler to be uniform in all directions and that the threshold of hearing is 1.0 × 10-12 w/m2. what is the acoustic power emitted by the howler
Answers: 2
Physics, 22.06.2019 05:50
There are two routes similar in terrain; however, one route has an incline of approximately 28 degrees, and you must decide on which route to take. what is the maximum road grade that your fully loaded ecv can climb?
Answers: 2
Physics, 22.06.2019 10:20
Electromagnetic induction. a coil of wire contains n turns and has an electrical resistance r. the radius of each turn is a. initially, inside the coil there exists a uniform magnetic field of magnitude b0 parallel to the axis of the coil. the magnetic field is then reduced slowly. the current induced in the coil is i. how long does it take for the magnitude of the uniform field to drop to zero?
Answers: 1
Physics, 22.06.2019 11:30
In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque
Answers: 1
One kind of e-book display consists of millions of very small spheres that float in a thin fluid lay...
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