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Consider a solid sphere with radius a, and positive charges are uniformly distributed inside the sphere (total energy is +q). Now place a single particle (electron) with charge -q inside the sphere, but not at the center. Derive the equation of motion for the electron, and discover the frequency of the oscillation.
charge 1 is equal to 6.0x10^-9 C, and is located at (0.30,0) meters on xy coordinates. What is the direction the net force on the 5.0 nC charge
A ball rotates in a circle of radius 20.0 cm, making one complete revolution every 2.00 s. What are (a) the speed of the ball, (b) the frequency of motion in hertz, and (c) the angular speed of the ball?
A laser beam in air is incident on a liquid at an angle of 38.0 with respect to the normal. What is the critical angle for total internal reflection for this fluid
A certain freely falling object, released from rest, requires 1.85 s to travel the last 38.0 m before it hits the ground. Find the total distance the object travels during the fall
A 40.0 m long uniform bridge span weighs 6.00 x 104N. What force do the bridge and the car exert on the left pier
A car with a mass of 950 kg is moving to the right with a constant speed of 1.69 m/s, What is the total force on the car if it is moving to the left
a 181 g ball is tied to a string. it is pulled to an angle of 4.0 c and released to swing as a pendulum. a student with
A counterweight of mass m = 4.20 kg is attached to a light cord that is wound around a pulley, compute the net torque on the system about the axle of the pulley
A slide loving pig slides down a certain 40 degree slide in twice the time it would take to slide down a frictionless 40 degree slide. Find the coefficient of kinetic friction between slide and pig
Two waves of the equal frequency have amplitudes 2.13 and 1.36. They interfere at a point where their phase difference is 58.5 degree. Determine what is the resultant amplitude
A spring oscillator is designed with a mass of 0.132 kg. It operates while immersed in a damping fluid, Find the required damping constant for the system
The velocity vs. time curve of an object is an increasing straight line. You observe when the time is 1 second that the velocity is equal to 3 m/s, What is the acceleration of the object
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