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A horizontal tube with length L has two positive charges +Q1 and +Q2 on the edges. A small ball can move without friction inside the tube (see figure). This small ball has a charge +Q and the same diameter as the tube. Find the static equilibrium position for the small ball. (sigma F = 0). Hint: Ignore the gravity. Express the result as a function of Q1, Q2 and L.
A 1320-kilogram car, moving with a speed of 15.0 m/s, is on a flat, circular curve having a radius of 57.0 meters. How much friction is required to keep the car on the road? What is the coefficient of friction between the road and the tires?
A bowling ball is of radius??=11 ????and and mass ??=7.2 ???? rolls from rest down an inclined plane of length??=2.1 ??. What is the linear speed of the ball when it reachesthe bottom of the incline
A woman flying aerobatics executes a maneuver r = 380m, Determine the value of the centripetal force acting on the woman flying the airplane when at the top of the loop
Given your particular arrangement is it possible to use Gauss' Law calculate the the total flux of the electric field vector through the closed spherical surface? If so, calculate it. If not, explain why not.
On 15 July 2004, NASA launched the Aura spacecraft to study the earth's climate and atmosphere. How many hours does it take this satellite to make one orbit
A 500-gram mass is attached to a horizontal spring of spring constant 20 N/m and oscillates in simple harmonic motion on a frictionless surface. What is the total energy of the system
A point source of light is submerged 2.3 m below the surface of a lake and emits raysin all directions. What is the maximum radius that this circle could have
-5-nC point charge is located at the center of a conducting spherical shell. The shell has an inner radius of 2 m, an outer radius of 4 m, and a charge of +6 nC. (Let the radially outward direction be positive.)
What focal length does the lens need? Assume that it is a thin lens. How far should you place the lens from the slide?
An irregularly shaped piece of metal has a weight of 8.840 N. It is suspended from a scale, which reads 7.320 N when the piece is submerged in water
An athlete swings a ball, connected to the end of a chain, in a horizontal circle. The athlete is able to rotate the ball at the rate of 7.69 rev/s, Which rate of rotation gives the greater speed for the ball
A probe in deep space is infested with alien bugs and must be blown apart so that the icky creatures perish in the interstellar vacuum. What is the velocity of the second piece after the explosion
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