An electron is accelerated from rest by a uniform field of magnitude 500000 N/C. a) How long does it take to reach 0.13 c, where c = 3 × 10° m/s is the speed of light? ns b) How far does it travel in this time? m c) What is its final kinetic energy? x10-16 J
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- Part A How much work is required to accelerate a proton from rest up to a speed of 0.983c? 15| ΑΣΦ W = 6.69 10 Submit Previous Answers Request Answer Part B X Incorrect; Try Again; 3 attempts remaining 13 What would be the momentum of this proton? ID| ΑΣΦ P = 5029 Submit Previous Answers Request Answer ? ? X Incorrect; Try Again; 4 attempts remaining J kg. m/sHow much work must be done on an electron to accelerate it from rest to a speed of 0.892c? Number i Unitsa) Calculate the kinetic energy required to accelerate a single proton from a rest position to 0.9999c. The mass of a proton is 1.67x10*-27 kg. b) Find the ratio of the kinetic energy to the energy of a proton at rest. c) Explain why no particle accelerator will ever be able to accelerate any particle to the speed of light.
- part 1 of 2 Through what potential difference would an electron starting from rest need to acceler- ate to achieve a speed of 60.0% of the speed of light? Disregard relativistic effects. The speed of light is 3 x 108 m/s and the elemental charge is 1.602 x 10-19 C. Answer in units of V. Answer in units of V.4 Part A At what speed, as a fraction of c, will a moving rod have a length 60% that of an identical rod at rest? v = ΜΕ ΑΣΦ ? C10. An electron is accelerated from rest through a potential difference of 2.5 x 10° V. (a) What is the relativistic kinetic energy of the electron? (b) What is the speed of the electron? (c) What is the total relativistic energy of the electron? Given that the magnitude of the charge of the electron is 1.602 × 10-19 C and the mass of the electron is 9.11 × 10-3! kg.
- d) 0.782 e) 0.435c 21. If an electron has 0.400 MeV of kinetic energy, what is its speed? a) 0.438c b) 0.625c V= ? c) 0.685c d) 0.662c e) 0.827cIn a television tube electrons are accelerated through a voltage of 5000 volts. What is the speed of the electrons assuming that they were initially at rest? (Since this is Physics 222, do not use special relativity to calculate the answer even though these speeds are a fraction of the speed of light.) Express your answer to the nearest km/s.Part A The space shuttle releases a satellite into a circular orbit 560 km above the Earth. How fast must the shuttle be moving (relative to Earth) when the release occurs? Express your answer using three significant figures and include the appropriate units. HA m 7.91 • 10³ V = S 9 Review your calculations and make sure you round to 3 significant figures in the last step. No credit lost. Try again. Submit Previous Answers Request Answer Provide Feedback
- multiple choice question As the velocity of an inertial frame of reference increases with respect to a stationary observer, Einstein's theory of special relativity predicts that the length of an object, measured in the dimension parallel to the motion of the reference frame, will A decrease. B. remain unchanged. Jump to 1 2 3 4 5 6 7 8 9 10 increase. D. increase at first but start to decrease when the speed of the reference frame equals half the speed of light. E. decrease at first but start to increase when the speed of the reference frame equals half the speed of light.A spaceship passes you at a speed of 0.628c. You measure its length to be 28.2 m. Part A How long would it be when at rest? L = m Submit Request AnswerA -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 J