The electrons that are used in an electron microscope are accelerated through a potential difference of 77.0 kV
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The electrons that are used in an electron microscope are accelerated through a potential difference of 77.0 kV
a) Calculate the speed of the electrons using the Newtonian formula for kinetic energy.
b)Calculate the speed of the electrons using the relativistic formula for kinetic energy.
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- A -0.02C object is placed into a 20V potential. How much energy does it have? -0.8 J O 0.6 J 0.4 J O -0.4 J O -0.6 J 0.8 JHow much work must be done on an electron to accelerate it from rest to a speed of 0.949c? Number i UnitsAn astronaut on a rocket ship is headed straight for another galaxy and an observer is standing on Earth. If they both shine a flashlight simultaneously as the rocket ship is moving away at a large speed, which of the following is true? A. The person on the rocket measures a higher velocity for the light from the flashlight. B. The person on the Earth measures a higher velocity for the light from the flashlight. C. They both measure the same velocity of light. D. It cannot be determined without additional information.
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