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A particle with charge 2.0 C moves through a uniform magneticfield. At one instant the velocity of the particle is (1.5i + 4.0j+ 6.0k) m/s and the magnetic force on the particle is (4.0i - 20j +20k) N. The x and y components of the magnetic field are equal. What is B?
Suppose we know that an electron in an excited state has a tangential velocity (v = 3.65 x 10^5 m/s), What is the radius of this orbit
A walkway suspended across a hotel lobby is supported at numerous points along its edges by a vertical cable above each point and a vertical column underneath. how much does the point move down in meters
a constant force is applied to an object that causes a certain displacement. if the angle between the force and the displacement is 135 degrees, the work done by the force is
An LC circuit is built with a 50mH inductor and an 8.0pF capacitor, The capacitor voltage has its maximum value of 40V at t=0s, What is the inductor current at that time
question which system has a greater magnetic potential energy the case of two magnets with their north poles facing
a large boulder is ejected vertically upward from a volcano with an initial speed of 40.7 ms. air resistance may be
as a fish jumps vertically out of the water assume that only two significant forces act on it an upward force f exerted
A 30-06 caliber hunting rifle fires a bullet of mass 0.0122 kg with a velocity of 247 m/s to the right. The rifle has a mass of 3.2 kg. What is the recoil speed of the rifle as bullet leaves the rifle.
calculate the energy content of 1 kg of natural uranium assuming complete fission. estimate an average energy per
A charged particle of mass 8.39×10?4 kg starts from rest and accelerates through a potential difference of +25,000 V to reach a speed of 1240 m/s
a 11.9-g mass is suspended 1.47 cm above a nonconducting flat plate directly above an embedded charge of q.a if the
The pilot of the spaceship measures the length of the moving ship as 30 meters. Establish its length as measured by a person on earth.
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