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A uniform ion beam of radius R consists of N' ions per meter of mass m, speed v, and charge q. Find the Lorentz Force (due to both E and B) on an ion at the edge of the beam. At what speed would the force become zero?
Electrons can be “boiled off” of a wire by heating the wire to sufficiently high temperature (typically well over 1000? C). Typically the electrons leave the wire with a fairly low speed which can be approximated as zero
hobbes pushes calvin on a sled which is traveling at a constant velocity on a flat field. the coeficient of kinetic
A constant force is applied to object A and causes it to accelerate5m/s^2. The same force is applied to object B which accelerates 3m/s^2. The same force is applied to object C andit accelerates 8m/s^2.
Assume a car's brakes can produce an acceleration of -7 m/s2. If the car is travelling at an initial speed of 28.0m/s, what is the minimum distance necessary to stop car.
blocks with masses of 1.1 kg 2.03 kg and 2.92 kg are lined up in a row on a frictionless table. all three are pushed
The gravitational for on the moon due to the earth is only about half the force on the moon due to the sun. whyisn't the moon pulled away from the earth? Explain?
A laser beam of power 4.40 W and diameter 2.70 mm is directed upward at one circular face of a perfectly reflecting cylinder, which is made to "hover" by the beam's radiation pressure
two spherical objects are separated by a distance of 1.41 times 10-3 m. the objects are initially electrically neutral
Two small metallic spheres, each of mass 0.20 g, are suspended as pendulums by light strings from a common point, what is the magnitude of the charge on each sphere
a proton is located at the origin and a second proton is located on the x-axis at x 6.82 fm 1 fm 10-15 m.a calculate
An infinitely long cylindrical insulating shell of inner radius a and outer radius b has a uniform volume charge density ?. Determine the electric field intensity everywhere
a find the wavelength of the sound upwind of the siren.b find the wavelength of the sound downwind of the siren.c
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