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A very long cylinder with radius 5.54 cm has a uniform density of charges throughout it. If the charge density in the cylinder is 1,304 nC/m3 (nanoCoulombs per cubic meter). Inside the cylinder, for distances x (less than the radius) from the center of the cylinder, the magnitude of the electric field is equal to A x^n, where the electric field is measured in N/C and x is measured in meters. What is the value of A? Write your answer to three significant figures. (Hint: draw a surface that conforms to the symmetry of the problem and use Gauss' Law.) what is the value of n?
A person pulls a toboggan for a distance of 40m along the snow with a rope directed 25 degrees above the snow. The tension in the rope is 83N.
Suppose that each of a person's hands makes contact with a different conductor over a surface area of 11.0 cm2. Find the resistivity of the skin
Consider a disk of radius R = 41.0 cm and thickness t = 1.1 cm, with a nonuniform volume charge density given by ? = A, If A = 510 ?C/m4, what is the total charge of this disk
Two charges Q1=+6mC and Q2=+4mC are separated horizontally on a straight line, find the magnitude of the electric force between these charges
A rectangular loop of wire with sides 0.20 and 0.35 m lies in a plane perpendicular to a constant magnetic field. Assuming the loop is complete, in which direction will any induced current flow
A parallel plate capacitor has a capacitance of 8.5 µF when filled with a dielectric. What is the dielectric constant of the dielectric
assume that friction is so small that it can be ignored. a force toward the right of constant magnitude is applied to
A jogger accelerates from rest to 2.40 m/s in 3.44 s. A car accelerates from 18.8 to 36.5 m/s also in 3.44 s. Find the magnitude of the acceleration of the jogger
Assume you weigh 160 lbs on earth. How far away from earth's surface would you have to go so that your weight dropped to 40 lbs
A .450 kg ice puck, moving east with a speed of 3m/s, has a head-n collision with a .900 kg puck initially at rest. Assume a completely elastic collision, what will be the speed and direction of each object after collision.
For tests using a ballistocardiograph, a patient lies on a horizontal platform that is supported on jets of air Because of the air jets, the friction impeding the horizontal motion of the platform is negligible. determine the recoil velocity
A simple harmonic oscillator takes 10s to undergo five complete vibrations.
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