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Problem 1:
A thin glass rod of length 8.0cm that is uniformly charged to +8.0 nC and an equally long thin plastic rod uniformly charged to -8.0 nC are placed side by side, 4.0 cm apart (see figure). What are the electric field strengths E1 to E3 at distances 1.0 cm, 2.0 cm, and 3.0 cm from the glass rod along the line connecting the midpoints of the two rods?
Problem 2:
In an inkjet printer, letters and images are created by squirting drops of ink horizontally at a sheet of paper from a rapidly moving nozzle. The pattern on the paper is controlled by an electrostatic valve that determines at each nozzle position whether ink is squirted onto the paper or not.
Referring to the figure at right: The ink drops have a mass m each and leave the nozzle and travel horizontally toward the paper at velocity vx The drops pass through a charging unit that gives each drop a positive charge q by causing it to lose some electrons. The drops then pass between parallel deflecting plates of length D0, where there is a uniform vertical electric field with magnitude E.
If a drop is to be deflected a distance d by the time it reaches the end of the deflection plate, what magnitude of charge q must be given to the drop? Express q as simply as possible in terms of the symbols provided.
A cylinder contains a mixture of helium and argon gas in equilibrium at 144°C. Obtain the rms speed of each type of molecule
A soccer ball is kicked with an initial horizontal velocity of 18.0 m/s, find the maximum height the ball goes above the ground
An electron is initially at rest and is accelerated in the positive x direction to a speed of 1.54 x 106 m/s over a distance of 1.7 cm, by a uniform electric field. What is the magnitude of the electric field
A plate of glass with parallel faces having a refractive index of 1.46 is resting on the surface of water in a tank. What angle does the ray refracted into the water make with the normal to the surface? Use 1.33 for the index of refraction of water
q1. after being accelerated to a speed of 1.43times105 the particle enters a uniform magnetic field of strength 1.00
Two blocks of masses M and 3M are placed on a horizontal, frictionless surface. A light spring is attached to one of them, and the blocks are pushed together with the spring among them, as seen in the figure below.
question1if argentinosaurus a long-necked gigantic sauropod had a head height of 19 m and a heart height of 7.9 m what
a metal sphere of radius r0 0.23 m carries a charge q 0.70 microc. equipotential surfaces are to be drawn for 100 v
A conductor of uniform radius 1.20 cm carries a current of 3.00 A produced by an electric field of 120 V/m
A 1.2 kg particle moves from an initial position r1 = 4i - 2j + 3k m to a final position r2 = 7i - 3j -4k m while a force F = 6i - 4j + 2k N acts on it. What is the work done by the force on the particle
A vertical electric field of magnitude 1.00 x 104 N/Cexists above the Earth's surface on a day when a thunderstorm isbrewing. Determine the electric flux through thebottom of the car
A spherically shaped balloon has a radius of 8.56m, and is filled by helium. How large a mass of cargo can it lift, assuming that the skin and structure of the balloon have a mass of 988kg?
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