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Consider an ink jet printer, the basic mechanism is that drops of ink, each with a radius of r=20um, are charged to q=1.3E10-13C and sprayed from a nozzle towards the page at an initial speed of 20 m/s. On the way to the paper, they pass a region with a uniform electric field of magnitude E between two charges plates which deflects them up or down, Assume that the distance from the center of the plates to the paper is d= 2cm. The maximum height of a letter is 6mm, i.e. the drops have to be deflected up or down 3 mm. What is the max electric field strength needed?
A battery's potential is measured to be 9 V outside of a circuit, the battery is placed in a circuit and it delivers 0.2 A of current. compute the internal resistance of the battery
a long pipe of outer radius 4.00 cm and inner radius 3.40 cm carries a uniform charge density of 3.22 mcm3. using
How much time does it take to lift container with the motor.
A race car is making a U-turn at constant speed. The coefficient of friction between the tires and the track is ?s = 1.61. what is the maximum speed at which the car can turn without sliding
q1. a wheel is spinning clockwise at a 12.0 revolutions per second at t 0. because of friction in the bearings
A power station uses 100 kV to deliver power to a building. The building has a total resistance of 12.5kV. How much power is delivered to the building
The Ed-Scale defines the perfect temperature of a martini to be 8.0 degrees E and boling point of antifreese to bee 100 degrees E. Use this equation to find the freezing point of water in Eds
A certain alarm clock ticks four times each second, with each tick representing half a period. What is the torsion constant of the hairspring
An electric dipole is formed from 1.0nC charges spaced 3.00 mm apart. What is the electric field strength at the given points
A model rocket is fired vertically from rest. It has a net acceleration of 18.5 m/s2. Ignoring air resistance, how high does the rocket travel
Consider three points A,B,C on the x-y plane, where a uniform electric field E = 100(N / C)i exists, Find the potential difference VB -VA and VC-VA
Light of wavelength 540 nm is diffracted by a grating ruled with 1000 lines/cm. There are a total of 2000 lines in the grating. Find the angular deviation of the third order image.
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