The moon's orbit about the earth is an ellipse with the earth at one focus. If the major and minor axes of the ellipse have lengths of 474,000 miles and 473,000 miles respectively, what are the greatest and least distances from the earth to the moon?
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- Which of the following statements is supported by Kepler's laws of planetary motion? Earth orbits the Sun at a constant speed, never speeding up or slowing down. Earth's orbit is a perfect circle, with the Sun located at the center of the circle. Earth orbits the Sun at a slightly faster speed every year. Earth has an elliptical orbit, with the Sun located at one focus of the ellipse.The planet Saturn orbits the Sun at an average distance of 888 million miles. Use Kepler’s 3rd law to find the period of Saturn’s orbit, in Earth years.Suppose a satellite (not the Moon) orbits Earth exactly every 30 days. Find its distance from Earth center in meter.
- An object circles the Sun at a distance equal to one half the Earth's distance from the Sun. How many years will it take the object to circle the Sun one time?Kepler's 1st law says that our Solar System's planets orbit in ellipses around the Sun where the closest distance to the Sun is called perihelion. Suppose I tell you that there is a planet with a perihelion distance of 2 AU and a semi-major axis of 1.5 AU. Does this make physical sense? Explain why or why not.None
- I'm having trouble completing the problem I've attached a picture of below. I was able to find the the Earth's average speed in m/s relative to the sun by doing (2pi*(1.49x10^11))/31536000. But I am struggling to find the average velocity for the same thing over a period of one year in m/s. I was wondering how to calculate that? I've tried doing the (final velocity-initial velocity)/2 but the program doesn't accept my answer when using that approach.Two planes take off at the same time from an airport. The first plane is flying at 210 miles per hour on a bearing of S 45.0° E. The second plane is flying in the direction S 45.0°W at 250 miles per hour. If there are no wind currents blowing, how far apart are they after 4 hours? (Round your answer to two decimal places.) mi What is the bearing of the second plane from the first after 4 hours? (Round your answer to one decimal place.) S ° WHow long will it take to circle the island exactly 7 times?
- Use Kepler's Law, which states that the square of the time, T, required for a planet to orbit the Sun varies directly with the cube of the mean distance, a, that the planet is from the Sun.Using Earth's time of 1 year and a mean distance of 93 million miles, the equation relating T (in years) and a (in million miles) is 804375T2=a3.Use that relation equation to determine the time required for a planet with mean distance of 206 million miles to orbit the Sun. Round to 2 decimal places. yearsThe Earth has a mass of 5.97 * 1024 kg and the Moon has a mass of 7.35 * 1022 kg. If they are separated by a distance of 3.85 * 105 km, what is the force (in N) between the Earth and the Moon? (Enter your answer in scientific notation: 1.23E12 means 1.23 * 1012)The average distance between the Sun and Mars is 2.3×1011m2.3×1011m. F = ? Express your answer with the appropriate units.