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A uniform ion beam of radius R consists if N' ions per meter ofmass m, speed v, and charge q. Find the Lorentz force (due toboth E and B) on an ion at the edge of the beam. At whatspeed would the force become zero?
A chair of weight 125 N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 35.0 N directed at an angle of 42.0 below the horizontal and the chair slides along the floor. Using Newton's laws, compute..
Two parallel plates are held at potentials of +229V and ?59V, An electron is initially placed halfway between the plates, Find its kinetic energy when it hits the positive plate
For a particular scientific experiment, it is important to be completely isolated from any magnetic field, including the earth's field. What is the current in the current loop
A thin flat nonconducting disk, with radius R_0 and uniformsurface charge density carries a total charge Q, and has a hole with a radius R_0 / 3 in its center. Use first principles to find the electric potential V at points along a line perpendicu..
What is the new frequency of the string that was tightened. find the magnitude of the net force acting on the car during this time.
Two 2.50cm×2.50cm plates that form a parallel-plate capacitor are charged to ± 0.708nC, What is the potential difference across the capacitor
A box of 10 kg is being pulled across a floor with a tension force of 50 N. Assume the box started from rest and reached a speed of 2 m/s
1 . a wooden box item sits on a horizontal wooden board. the coefficient of static friction between the box and the
Two narrow slits separated by 1.0mm are illuminated by 559nm light. Find the distance between adjacent bright fringes
Two parallel, uniformly charged, infinitely long wires carry opposite charges with a linear charge density ? = 2.15 ?C/m and are 6.69 cm apart. What is the magnitude of the electric field at a point midway between them and 54.3 cm above the plane ..
A ball of mass m makes a head-on elastic collision with a second ball (at rest) and rebounds with a speed equal to 0.390 its original speed. What is the mass of the second ball
Gold, which has a density of 19.32 g/cm3, is the most ductile metal and can be pressed into a thin leaf or drawn out into a long fiber. (a) If a sample of gold with a mass of 7.948 g, is pressed into a leaf of 1.547 m thickness.
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