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An electric dipole consists of 1.30g spheres charged to ± 1.70 nC at the ends of a 15.0cm -long mass less rod. The dipole rotates on a frictionless pivot at its center. The dipole is held perpendicular to a uniform electric field by field strength 960V/m , then released.
What is the dipole's angular velocity at the instant it is aligned with the electric field?
During a rain storm, rain comes straight down with a velocity Vi = -15 m/s, find the average force exerted by the rain on the roof during a 3 second time interval
q1. a solenoid is to be constructed that will have a resistance of 5.00 ohms and produce a magnetic field of 0.0400 t
what would happen to the speed of sound in air if the atmosphere were mostly argon rather than nitrogen?
In a hydro-electric power station, water falls through a 75 mpipe at the rate of 1500 kg s^-1 (kilograms per second) How many megawatts of electric power could be produced by the power plant ifit is 80% efficient?
In 1916 Milikan used measurements of the kinetic energy of photoelectrons to detemine plancks constant
When the incoming proton was at a distance of more than 1.4 x 10-15 m from the nucleus, there was a force of repulsion between this proton and the nucleus.
An electron drops from the L shell to the K shell and givesoff an X-ray with a wavelength of 0.0200 nm. What is the atomic number of this atom
If a satellite is placed in orbit about the earth at adistance 2.7 times the earth's radius, what will its velocity be? How many days will it take to circle the earth
A(n) 84 g arrow is fired from a bow whose string exerts an average force of 110N on the arrow over a distance of 80cm. What is the speed of the arrow as it leaves the bow.
A long solenoid has 1.56e+3 turns in length of 40.0 cm. What current has to flow through the solenoid in order to generate a magnetic field
An ideal monotonic gas is compressed at a constant pressure of 0.9 atm from 14 L to 3.5 L. By how many cubic meters is the volume reduced
A metal ball with diameter of a half a centimeter and hanging from an insulating thread is charged up with 1020 excess electrons. An initially uncharged identical metal ball hanging from an insulating thread is brought in contact with the first ball,..
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