A satellite is in a circular orbit about the earth (MẸ = 5.98 x 1024 kg). The period of the satellite is 1.79 x 104 s. What is the speed at which the satellite travels?
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- Suppose the gravitational acceleration at the surface of a certain moon A of Jupiter is 2 m/s2. Moon B has twice the mass and twice the radius of moon A. What is the gravitational acceleration at its surface? Neglect the gravitational acceleration due to Jupiter, (a) 8 m/s2 (b) 4 m/s2 (c) 2 m/s2 (d) 1 m/s2 (e) 0.5 m/s2Model the Moons orbit around the Earth as an ellipse with the Earth at one focus. The Moons farthest distance (apogee) from the center of the Earth is rA = 4.05 108 m, and its closest distance (perigee) is rP = 3.63 108 m. a. Calculate the semimajor axis of the Moons orbit. b. How far is the Earth from the center of the Moons elliptical orbit? c. Use a scale such as 1 cm 108 m to sketch the EarthMoon system at apogee and at perigee and the Moons orbit. (The semiminor axis of the Moons orbit is roughly b = 3.84 108 m.)For many years, astronomer Percival Lowell searched for a Planet X that might explain some of the perturbations observed in the orbit of Uranus. These perturbations were later explained when the masses of the outer planets and planetoids, particularly Neptune, became better measured (Voyager 2). At the time, however, Lowell had proposed the existence of a Planet X that orbited the Sun with a mean distance of 43 AU. With what period would this Planet X orbit the Sun?
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- A satellite is in a circular orbit about the earth (ME = 5.98 x 1024 kg). The period of the satellite is 2.47 x 104 s. What is the speed at which the satellite travels?Communications satellites are placed in a circular orbit where they stay directly over a fixed point on the equator as the earth rotates. These are called geosynchronous orbits. The altitude of a geosynchronous orbit is 3.58×107m(≈22,000miles)3.58×107m(≈22,000miles). What is the period of a satellite in a geosynchronous orbit? Express your answer to three significant figures and include the appropriate units. Find the value of gg at this altitude. Express your answer to three significant figures and include the appropriate units. What is the weight of a 2000 kg satellite in a geosynchronous orbit? Express your answer as an integer and include the appropriate units.A spy satellite is in circular orbit around Earth. It makes one revolution in 6.90 h. Mass of Earth is 5.974 × 1024 kg, radius of Earth is 6371 km and Gravitational constant G is = 6.674 × 10−11 N·m2/kg2. A) How high above Earth’s surface is the satellite? km B) What is the satellite’s acceleration? m/s2
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