A space vessel is heading toward the Earth's planet. An observer on Earth measures the length of this space vessel to be 325 m. A person on board the vessel determines that the vessel's length is 1150 m. Calculate the overall energy of a 75.0-kg object (sitting in the vessel) as measured by а. someone within the space vessel b. the Earth observer
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- Electromagnetic radiation from a star is observed with an earth-based telescope. The star is moving away from the earth with a speed of 0.590c. If the radiation has a frequency of 8.64 x 10 Hz in the rest frame of the star, what is the frequency measured by an observer on earth? a) Of = 4.39 x 1014 Hz b) Of = 4.93 x 1014HZ c)Of = 4.45 x 1014 Hz d) Of = 4.39 x 1015 Hz e) Of = 4.69 x 1014 HzAn evacuated tube uses a potential difference of ΔV = 0.38 kV to accelerate electrons, which then hit a copper plate and produce X-rays Write an expression for the non-relativistic speed of these electrons v in terms of e, ΔV, and m, assuming the electrons start from rest. Calculate the non-relativistic speed of these electrons v in m/s.How much work must be done to accelerate an electron to accelerate it from rest to a speed of 0.902c?
- What are (a) the kinetic energy, (b) the rest energy, and (c) the total energy of a 1.2 g particle with a speed of 0.80 c ? Part A Express your answer using two significant figures. ΜΕ ΑΣΦ Ekinetic=263 Submit Previous Answers Request Answer × Incorrect; Try Again; 5 attempts remaining Part B Express your answer using two significant figures. ΜΕ ΑΣΦ Erest = Submit Request Answer Part C Express your answer using two significant figures. ΜΕ ΑΣΦ Etotal = Submit Request Answer ? ? ? J J JAn unstable particle at rest breaks up into two fragments of unequal mass. The mass of the lighter fragment is equal to 2.00 x 10-28 kg and that of the heavier fragment is 1.61 x 10-27 kg. If the lighter fragment has a speed of 0.893c after the breakup, what is the speed of the heavier fragment? CWhen traveling past an observer with a relative speed v, a rocket is measured to be 9.00 m long. When the rocket moves with a relative speed 2v, its length is measured to be 4.90 m. Part A What is the speed v? v = VO ΑΣΦ ? Submit Request Answer ་ Part B What is the proper length of the rocket? C
- Antimatter: When a particle and its anti-particle collide, energy and momentum are conserved. However, the particles can annihilate each other and produce two gamma rays - high energy photons. An electron and an anti-electron each have a rest mass of 9.11 × 10-31 kg. Suppose the particles are each accelerated to a speed of 0.98c in a particle accelerator with a length of 1543 m for a head on collision. (Each particle is moving at this speed with respect to the lab, and the particles are moving in opposite directions.) They collide head on and annihilate. What is the wavelength of the gamma rays produced in this collision?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 3.24e-14 Units J
- Suppose a space vehicle with a rest mass of 150 000 kg travels past the International Space Station at a constant speed of 2.6 x 108 m/s with respect to the I.S.S. When an observer on the I.S.S. measures the moving vehicle, her measurement of the space vehicle length is 25.0 m. a) Determine the relativistic mass of the space vehicle. b) Determine the length of the space vehicle as measured by an astronaut on the space vehicle.Uranium-238 decays via the alpha decay process. Part (a) Calculate the energy released in units of megaelectron volts when a uranium-238 nucleus undergoes alpha decay. Part (b) What fraction of the mass of a single uranium-238 nucleus is destroyed in the decay? Part (c) Why is difficult to observe the change in mass for a macroscopic sample of uranium-238?2. Please help me answer these questions, well explained. A spacecraft travelling at a speed of 0.95 c goes from the planet Jupiter to the planet Pluto. A. If an observer on planet Jupiter measures the length of the vessel as 55 m, how long is it when it is stationary? B. A monkey inside the ship has a pulse of 116 beats/min when he is on the earth. What is his pulse inside the ship?