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In 1897, English physicist J.J. Thomson "discovered" the electron with a very elegant and relatively simple experiment. Consider shooting a beam of electrons at a constant speed through a region of uniform electric and magnetic fields and , respectively. The directions of , and are all perpendicular to one another.
a) What direction(s) should the two fields point in so that the two forces on the electrons (magnetic and electric) counteract one another?
b) Imagine the scenario in which the and fields have been tuned so that the net force on the electrons is zero. What is the speed of the electrons?
c) If you now turn off the electric field, what happens to the particles? What is the charge-to-mass ratio (/) of an electron (in terms of the above variables)?
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A glass plate whose index of refraction is 1.45 is immersed in a liquid. The surface of the glass is inclined at an angle of 54.0° with the vertical. What is the index of refraction of the alcohol
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question1babe didrikson holds the world record for the longest baseball throw 296 ft by a woman. for the next questions
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Calculate the acceleration of the crate.
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A top spins at 28 rev/s about an axis that makes an angle of 33° with the vertical. The mass of the top is 0.44 kg, What is the precession rate
Starting from rest, a 6.70 kg object falls through some liquid and experiences a resistive (drag) force that is linearly proportional to the velocity of the object. What is the terminal speed for this object in this liquid
You are pulling a crate across the floor. The block has a mass of 65.0 kg. You exert a horizontal force of 140. find direction of the acceleration of the crate
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