What is the speed of an electron after being accelerated from rest through a 2.0x10" 'V potential difference? Express your answer as a fraction of c. M o 0 0@ Request Answer o] You're standing on an asteroid when you see your best friend rocketing by in her new spaceship. As she goes by, you notice that the front and rear of her ship coincide exactly with the 421-m- diameter of another nearby asteroid that is stationary with respect to you. However, you happen to know that your friend's spaceship measured 590 m long in the showroom. v PartA What is your friend's speed relative to you? Express your answer in meters per second. e 6 2 O = ? o e Request Answer Gamma rays are photons with very high energy. Part A What is the wavelength of a gamma-ray photon with energy 605 ke V ? Express your answer in nanometers. V AEQ ? 1 = 3.976 . 10 -19 nm Submit Previous Answers Request