A 40.0 cm long glass rod rubbed with silk acquires a uniform linear charge density of 6.80 nC/m. Both the glass rod and the silk were originally uncharged. Which of the following statements is true about the number of electrons transferred in the process? OA The glass rod received 4.25 x 1010 electrons from the silk O B. The glass rod received 1.70 x 1010 electrons from the silk OC The glass rod lost 1 70Y 1010 electrons to the silk O D. None of the given options are true. O E. The glass rod lost 425x 1010 electrons to the silk

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Proper Length

The theory of special relativity explains the connection between space and time to objects that move in a straight line at a constant speed. The objects move at the speed of light. When an object approaches light speed, its mass is endless and cannot move faster than light. The most crucial postulate of Einstein's special relativity is that the laws of nature do not change in each frame of reference.