Describe the Galilean Velocity Transformation?
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Describe the Galilean Velocity Transformation?
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- Please help with this problem. Consider a spacecraft in a 500 km altitude circular orbit. This spacecraft transits (via Hohmann transfer) to a 200 km altitude circular orbit for repair, then back to a 500 km circular orbit. Did it require more delta-V to transfer from the higher to lower orbit, or from the lower to higher orbit? (Circle one) It required more delta-V to transit from 500 km (circular) to 200 km (circular) It required more delta-V to transit from 200 km (circular) to 500 km (circular) It requires the same delta-V to transit from 500 km to 200 km as it would to return There is not enough information to answer this question (if so what other information is missing?)A halo CME is observed moving away from the Sun. Should we expect this CME to impact Earth? Provide a brief justification for the answer.The Perseverance rover landed on Mars in early 2021. During travel to Mars, thespacecraft carrying the rover cruised at a speed of nearly 25,000 miles per hour. Atthis speed, how long would it have taken for the spacecraft to travel 0.5 au? Giveyour answer in days
- describe in detail why and in what situation you use mgh=1/2kx^2, and the question (why it is looking like this?)UF, s In 2014, astronomers discovered 22 new KBOS, among those the following three: 2014 with a period of 331.1 years; 2014 TT, with a period of 280.8 years; 2014 QM with a period of 315.2 years. Given that information and knowing that Neptune's period is 85 441 164.8 years, which of those objects - if any- are likely part of the Plutino family of KBOS? Show your work that lead you to your conclusion.A star orbiting Sagittarius A* is orbiting 970 AU from a 4 million MSun object. How fast (in km/s) is the star orbiting? (Assume the orbit is approximately circular.)
- Suppose that Earth grew to its present size in 11 million years from particles averaging 80 g each. On average, how many particles did Rarth capture per second? (Notes: 1 yr = 3.2 x 10^7 s. See appendix A to find Earths mass.) _______ particles per secondAt rest carbon emits a spectral line at 364.0 nm. If this line is observed at 410.0 nm from exoplanet host Helvetio's, how fast is Helvitios moving toward or away from us in km/s?All things, except light, are attracted by gravity. (T/F)
- In early 2006, images from flybys of Enceladus showed something amazing, which explained the surprising findings from 2005. What was it?why do dark streaks appear in visible light images of the Trifid nebula, but appear bright in an infared imageDo you expect that most planetary systems in the Universe have analogs to our Solar System's asteroid belt and Kuiper Belt? Would all planetary systems show signs of an age of heavy bombardment?