About 9 light years separate Earth from the closest star system. There is a rocket that we are sending. Let the speed of the exhaust be 1/64 the speed of light. Make the beginning fuel mass twice as large as the load. How how long will it take to arrive the star system if it takes 200 hours to burn off the whole rocket's fuel and the fuel tank is not evacuated from the rocket?
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About 9 light years separate Earth from the closest star system. There is a rocket that we are sending. Let the speed of the exhaust be 1/64 the
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- Solve the part 2 for it4. A lkg mass initially at rest is accelerated by a 30N force, continuously, for a full year. How fast is it going at the end of that year? (If your answer is larger than the speed of light, you've done something wrong!). Hint: F = Ap/At.Which of the following statements are IMPOSSIBLE? Choose all that apply. The rocket's speed was measured to be 1.02c. ASK YOUR TEACH The rocket's rest length is 847 m. An observer flying by measured the rocket to be 173 m long. A rocket flying by the Sun at 0.48c measured the speed of the photons (particles of light) emitted by the Sun to be 0.79c. An inertial reference frame had an acceleration of 0 m/s². The proper time interval between two events was measured to be 296 s. The time interval between the same two events (as measured by an observer not in the proper frame) was 370
- Part A Assuming that these spectral lines correspond to the 656.46-nm hydrogen line in the rest frame, estimate the speed V of the center of mass of the binary system. Express your answer in kilometers per second to three significant figures .Part B Determine the mass M of each star. Express your answer in kilograms to one significant figure.A particle has γ=9,681. Calculate c-v in m/s. Gamma is chosen to make the particle extremely close to the speed of light.) If your calculator gives problems, you might want to solve the appropriate equation for c-v or c(1 - v/c) and use an approximation.consider three students whose total mass is 246kg. If all this mass were converted into electrical energy, for how many years could they keep a 100 Watt lightbulb burning?
- Suppose that you have found a way to convert the rest energy of any type of matter directly to usable energy with an efficiency of 49.0%49.0%. How many liters of water would be sufficient fuel to very slowly push the Moon 3.30 mm3.30 mm away from the Earth? The density of water is ?water=1.00kg/literρwater=1.00kg/liter, the Earth's mass is ?earth=5.97×1024 kgMearth=5.97×1024 kg, the Moon's mass is ?moon=7.36×1022 kgMmoon=7.36×1022 kg, and the separation of the Earth and Moon is ?E,M=3.84×108 mdE,M=3.84×108 m.In 1999, scientists discovered a new class of black holes with masses 100 to 10,000 times the mass of our sun that occupy less space than our moon. Suppose that one of these black holes has a mass of 1x10^3 suns and a radius equal to one-half the radius of our moon. What is the density of the black hole in g/cm^3? The radius of our sun is 7.0x10^5 km, and it has an average density of 1.4x10^3 kg/m^3. The diameter of the moon is 2.16x10^3 miles.Albert Einstein’s theory of relativity, which he developed in the context of his special theory of relativity, are inconsistent with several experiments. This is not the case with the general theory of relativity, whose predictions coincide with the experiments without contradiction and whose experimental confirmations were celebrated as great scientific achievements. The latter made the physicists obviously blind to the contradictions of the foundations of the theory of relativity and led to an immunization against critical statements on the theory of relativity. Explain this in simpler terms.
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