Physics

Physics, 22.09.2019 22:30, samvgesite

What was the first manmade satellite put into orbit

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Physics, 13.08.2019 02:10, cecilysimpson7521

Two earth satellites, a and b, each of mass m, are to be launched into circular orbits about earth's center. satellite a is to orbit at an altitude of 5920 km. satellite b is to orbit at an altitude of 19600 km. the radius of earth reis 6370 km. (a) what is the ratio of the potential energy of satellite b to that of satellite a, in orbit? (b) what is the ratio of the kinetic energy of satellite b to that of satellite a, in orbit? (c) which satellite (answer a or b) has the greater total energy if each has a mass of 12.0 kg? (d) by how much?

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Physics, 18.09.2019 04:10, monica1217

Scientists want to place a 3400.0 kg satellite in orbit around mars. they plan to have the satellite orbit at a speed of 2480.0 m/s in a perfectly circular orbit. here is some information that may solve this problem: mmars = 6.4191 x 1023 kg rmars = 3.397 x 106 m g = 6.67428 x 10-11 n-m2/kg2 1) what radius should the satellite move at in its orbit? (measured frrom the center of mars.) 2) what is the force of attraction between mars and the satellite? 3) what is the acceleration of the satellite in orbit? 4) what should the speed of the orbit be, if we want the satellite to take 8 times longer to complete one full revolution of its orbit?

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Physics, 14.10.2019 21:00, jorgelive5870

Scientists want to place a 3 x 130 kg satellite in orbit around mars. they plan to have the satellite orbit a distance equal to 1.9 times the radius of mars above the surface of the planet. here is some information that will solve this problem: mmars = 6.4191 x 1023 kg rmars = 3.397 x 106 m g = 6.67428 x 10-11 n-m2/kg2 a-what is the force of attraction between mars and the satellite? b-what speed should the satellite have to be in a perfectly circular orbit? c-how much time does it take the satellite to complete one revolution? d-what should the radius of the orbit be (measured from the center of mars), if we want the satellite to take 8 times longer to complete one full revolution of its orbit?

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