ich student correctly identifies why your weight would change if you stood on a planet having a ss four times that of Earth's mass, and a radius two times that of Earth's radius?
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- As discussed in class, the moon is receding from the Earth due to tides at a rate of ~4 cm/year. Let’s assume that rate has been constant throughout time (it wasn’t, but we can use it to illustrate some key points). Its current semi-major axis is 384,400 km.a) If the moon formed 4.5 billion years ago and has been receding from the Earth ever since, what was its original semi-major axis? What was its original orbital period?b) What would the apparent size of the Moon have been in the sky as viewed from Earth? That is, in Hmwk 2, you were told the diameter of the Moon spans about 0.5o when viewed from Earth today. What would it have been when the Moon first formed? Reletive Numbers Relevant Numbers1 AU = 150,000,000 km = 1.5x108 kmEccentricity of Earth’s Orbit: 0.0167Radius of Earth: 6371 kmMass of Earth: 5.96x1024 kgRadius of the Moon: 1737 kmMass of Moon: 7.34x1022 kgRadius of Mars: 3390 kmMass of Mars: 6.4x1023 kgRadius of the Sun: R⦿=696,300 kmMass of the Sun: M⦿=2x1030…Answer the two questions below and write the solution. a. An astronaut is tasked to compute the gravitational acceleration of planet Z. After landing, he dropped a test object from a height of 2 meters and the time duration of the drop was 1 second. What is the gravity of planet Z in m/s^2? b. If the astronaut jumped upward with an initial velocity of 8m/s, how high is the jump? in metersEach mass in (Figure 1) is 2.00 kg. Find the magnitude of the net gravitational force on mass A due to the other masses in diagram (a) of the figure. (Express your answer with the appropriate units.) Find the magnitude of the net gravitational force on mass A due to the other masses in diagram (b) of the figure. (Express your answer with the appropriate units.)
- For the following hypothetical changes in astronomical bodies answer whether the change would make the specified property L - Larger, S - Smaller, or N - Not changed. (If the first is L and the rest S, enterLSSSS).A) If the mass of the Sun were doubled and the Earth kept the same distance, the period of the Earth's orbit would be .....B) If the distance between two planets is increased, the force of gravity between them is .....C) If the mass of an object dropped on the surface of Mercury were increased, the acceleration of the object would be .....D) If the mass of Mars were greater (but its radius were the same), the acceleration due to gravity on its surface would be .....E) If the radius of the Earth were larger (but the mass were the same), the force of gravity on objects on its surface would be .....The Cavendish experiment marked a milestone in the study of gravity. Part A. What important value did the experiment determine? Part B. Why was this so difficult in terms of the masses use in the apparatus and the strength of the gravitational force?Two stars A and B are a distance d apart in out space. Star A is four times as massive as star B. a. Compare the total force on star A with the total force on star B. b. Compare the acceleration of star A with the acceleration of star B. Explain your reasoning. A third star C is placed somewhere on a straight line connecting stars A and B such that the net force on star C is zero. c. How does the distance from start C to B compare with the distance from star A to C? Explain your reasoning.
- Can someone please show me how to solve this? This is Newtonian physics. Please provide some illustration/diagram, thank you Hanna and John are sitting 112 cm apart from each other in their office, when suddenly they felt a strong force of gravity of around 2.76 x 10-5 N pulling them together. If both of them weigh the same, what is their mass in kilograms?Discusses the importance of general relativity to satellite mapping. How are satellites being used to determine natural resources such as deposits of iron, groundwater, and schools of fish, to name a few? Why does the gravitational force vary at different points in a satellite’s orbit? How does this relate to what you’ve studied about gravitation? Be sure to cite your sources.Newton's Law of Gravity is what can we say about the law, and about G? Check the 4 correct statements. There will be partial credit if you miss some. We must find G by making precision experimental measurements because we do not know its value otherwise. All evidence suggests that It is the same everywhere, for all time Its value sets the "size" or "strength" of gravitational force We can calculate G from first principles and understand why it has the value it does. This law of gravity only works near Earth. In space far from Earth there is no gravity. It may not apply very close to very large masses where General Relativity takes over as a better description.
- Please explain your answer. 1) The mass of an object a) varies at different altitudes on the Earth’s surface b) depends on the distance from the Sun c) is the same regardless of its size and shape d) independent on the gravitational acceleration 2) According to Kepler’s second law of planetary motion, a planet in orbit around the sun will a) sweep out equal distances at all times b) sweep out equal areas at equal times c) move at equal angles at equal times d) move in a circle at all timesPart D of the question, "What is the value of g on planet Exidor" is not correct according to my homework. I'm not sure how to find the g.Deimos, a moon of Mars, is about 12 kmkm in diameter with mass 1.5×1015kg1.5×1015kg. Suppose you are stranded alone on Deimos and want to play a one-person game of baseball. You would be the pitcher, and you would be the batter! Part A With what speed would you have to throw a baseball so that it would go into a circular orbit just above the surface and return to you so you could hit it? Express your answer with the appropriate units. vv = nothingnothing SubmitRequest Answer Part C How long (in hours) after throwing the ball should you be ready to hit it? Express your answer in hours. TT = nothing hh