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Deflection of the electron beam in a tube TV set is accomplished by magnetic forces. The electrons are accelerated until they have kinetic energy 25 keV (a kilo-electron-volt (1 keV) is the energy needed to accelerate a single electron, with charge -e, across a potential difference of -1 kiloVolts). What magnetic field is required to produce a deflection of 3.3 cm if the magnetic field region is 8.0 cm long? If there is a 22 cm gap between the end of the magnetic field region and the end of the tube, how far from the center of the screen does the beam strike?
A projectile is launched straight up at 59 m/s from a height of 73 m, at the edge of a sheer cliff. The projectile falls, just missing the cliff and hitting the ground below.
explain how much charge is on each plate. What is the work done by the field on the electron.
Demonstrate that gravitational energy is not extensive: show that the gravitational energy of a sphere of radius 'r' and uniform density varies with volume V^n and find the exponent 'n'.
The edge of the thimble of a micrometer moves a distance of 2.0 mm when it is given four complete revolutions. Find the pitch of the micrometer
The string connecting the m1 and the m2 passes over a light frictionless pulley. Find the downward acceleration of m2 mass.
An ocean liner leaves New York City and travels 39.0° north of east for 140 km. How far east and how far north has it gone? In other words, what are the magnitudes of the components of the ship's displacement vector in the following directions.
A hotel elevator ascends 170 {rm m} with a maximum speed of 5.90 {rm m/s}. Its acceleration and deceleration both have the magnitude of 1.3 {rm m/s^2}.
Calculate the wavelength of light in vacuum that has a frequency of 6.0 1011 Hz and What is its wavelength in water
A car entering a freeway ramp accelerates from 14 m/s to 25 m/s in 10 seconds. what is the cars average acceleration during this 10 seconds.
Find out the radial acceleration of the ball during its circular motion.
A spotlight is coated so that it won't transmit magenta light from its white-hot filament. What colour emerges from coated spotlight.
What is the kinetic energy
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