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Question: In electrolysis 96 500C of charge releases 1 mole of hydrogen atoms.
a. From this information show how to determine the charge-to-mass ratio of the proton. Clearly state any assumptions you make.
b. Suppose in measuring e/m of the electron you observed that electrons accelerated through a voltage acquire velocity of v = 0.03 c (where c is the speed of light in vacuum) and bend in the circle of radius r = 3cm in a magnetic field of B = 2mT. What would you determine e/m to be? (Your answer should be different from the accepted value.)
c. Explain why results like your answers to (a) and (b) implied to J.J. Thomson the existence of a new particle. What was it, and in what ways is it important?
A roller coaster car (mass = 988 kg including passengers) is about to roll down a track. At what speed does the car reach the top of the loop
The image of a coin you see during a lens is on the object side and is upright, the signs of image distance and magnification are- The signs of image distance and magnification are both negative.
The drawing shows two perpendicular, long, straight wires, both of which lie in the plane of the paper. Find the magnitudes of the net magnetic fields at points A and B
A 0.00893-kg bullet is fired straight up at a falling wooden block that has a mass of 1.80 kg. The bullet has a speed of 551 m/s when it strikes the block. The block originally was dropped from rest from the top of a building and had been falling for..
A certain kind of glass has nblue = 1.62 for blue light and nred = 1.572 for red light. what is the angle between the red and blue light inside the glass
A light bulb has a resistance of 275 ohm when operating with a potential difference of 230 V across it. What is the current in the light bulb
A spacecraft has a non relativistic (or classical) momentum whose magnitude is 9.0 1012 kg•m/s. Obtain the relativistic momentum of the spacecraft
A motorboat is pointed due south, and its motor gives the boat a constant speed of 5.00 m/s through still water. Find the magnitude and direction of the boat's total velocity
Project Seafarer was an ambitious program to construct anenormous antenna, buried underground on a site about 10000km2 in area. What would be the period of the radiations emitted
Have your ethical beliefs undergone any major changes?
A slide loving pig slides down a certain 27° slide in four times the time it would take to slide down a frictionless 27° slide. What is the coefficient of kinetic friction between the pig and the slide
A ball of mass 0.300kg that is moving with a speed of 5.4m/s collides head-on and elastically with another ball initially at rest. Calculate the velocity of the target ball after the collision
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