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In a television, electrons travel from the cathode to hit thescreen, illuminating it. By applying magnetic fields, the beam canbe deflected away from the central axis to hit the desired spot.There are 6.0x10^20 electrons arriving at the screen per second.1. What is the current of the electrons measured in Amps2. When the beam is undeflected, what is the magnetic fieldcaused by beam at a distance of 1.5 cm from the central axis3. If we wanted to apply an additional magnetic field to bendthe beam up to hit a spot near the top of the tv screen. Whatdirection should the field point?
An electron is released from rest in a uniform electric field and accelerates to the north at a rate of 199m/s2. What is the magnitude of the electric field?
q1. a 8.9 kg mass is attached to a light cord that passes over a massless frictionless pulley. the other end of the
In exercise physiology studies it is sometimes important to determine the location of a person's center of mass. How far from the woman's feet is her center of mass
A virtual image is formed 21.0 cm from a concave mirror having a radius of curvature of 34.5 cm. What is the magnification of the mirror
A conducting sphere 10cm in diameter is first charged and left isolated at a potential of 100volts. calculate the charge (in coulombs) on the sphere and on the capacitor after being connected
It is desired to build a heat pump that has an output temperature of 31 °C. Calculate the maximum coefficient of performance for the pump when the input source is ground water at 8.1 °C
A rescue helicopter lifts a 70.8-kg person straight up by means of a cable. What is the tension in the cable
A rock is dropped off the side of a bridge and hits the waterbelow 2s later. What is the height of the bridge abovethe water
A girl walks 26 meters at an angle of 39° west of south. How far west of her starting point is she
A sinusoidal wave of wavelength 1.91 m and amplitude 0.159 m travels with a speed of 0.743 m/s on a string. Find its angular wave number
An object with a mass of 84.0 g displaces 240.0 ml of water when it is completely immersed. What is the buoyant force on the mass
Calculate the energy of the electron in the ground state of triple ionized beryllium, which has an atomic number Z = 4
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