2. A space shuttle is orbiting around the Earth at a height, h. If the orbital velocity of thesatellite is 7.8 x 10³ m/s, find the value of h. (Use G, Mg and Rgfrom the question #1)

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Answered: 2. A space shuttle is orbiting around…

College Physics

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Chapter2: Kinematics

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Problem 10PE: Tidal friction is slowing the rotation of the Earth. As a result, the orbit of the Moon is...

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An object of mass m is located on the surface of a spherical planet of mass M and radius R. The escape speed from the planet does not depend on which of the following? (a) M (b) m (c) the density of the planet (d) R (e) the acceleration due to gravity on that planet
Assuming a circular orbit for the Sun about the center of the Milky Way galaxy, calculate its orbital Speed using the following information: The mass of the galaxy is equivalent to a single mass times that at the Sun (or located 30,000 ly away.
(a) One of the moons of Jupiter, named Io, has an orbital radius of 4.22 108 m and a period of 1.77 days. Assuming the orbit is circular, calculate the mass of Jupiter, (b) The largest moon of Jupiter, named Ganymede, has an orbital radius of 1.07 109 m and a period of 7.16 days. Calculate the mass of Jupiter from this data, (c) Are your results to parts (a) and (b) consistent? Explain.
Tidal friction is slowing the rotation of the Earth. As a result, the orbit of the Moon is increasing in radius at a rate of approximately 4 cm/year. Assuming this to be a constant rate, how many years will pass before the radius of the Moon's orbit increases by 3.84106 m (1%)?
What is the gravitational acceleration close to the surface of a planet with a mass of 2ME and radius of 2RE where ME, and RE are the mass and radius of Earth, respectively? Answer as a multiple of g, the magnitude of the gravitational acceleration near Earths surface. (See Section 7.5.)
Respond to each statement, true or false: (a) No force of gravity acts on an astronaut in an orbiting space station. (b) At three Earth radii from the center of Earth, the acceleration of gravity is one-ninth its surface value. (c) If two identical planets, each with surface gravity g and volume V, coalesce into one planet with volume 2V, the surface gravity of the new planet is 2g. (d) One kilogram of gold would have greater value on Earth than on the Moon.
2) A satellite orbits a planet at 7000m/s in 100 minutes. What is the mass of the planet?
2nd - The speed of a meteor approaching the earth is measured as 100 m/s at a distance of 900 km from the earth's surface. At what speed does this meteor strike the earth's surface? (W=6.67x10^-11Nm2/kg2, m(earth)=5.97x10^24kg) a) 2780 m/s B) 4220 m/s NS) 1665 m/s D) 7210 m/s TO) 3976 m/s
8.) A sateltle orbits at a height of 6,000 km above the earth’s surface. REarth = 6.38 × 106 m, mEarth = 5.98 × 1024 kg. What is this satelite's speed, in km/s (kilometer per second)? Use G = 6.67 × 10-11 N·m2/kg2. Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.
1. Estimate the initial velocity in meters/s that needs to be given to a spacecraft moving straight away from earth to make it reach the lunar orbit at 383000 km away from the centre of the earth. The initial orbit of the spacecraft is 4600 km above the surface of the earth. The radius of the earth is 6370 km. 2. A satellite is in an elliptical orbit around the earth. Along its orbit, its distance to the centre of the earth varies from rmin=6752 km to rmax=15360 km. The radius of the earth is 6370 km. What is the maximum and minimum velocity of the satellite in m/s?
2. A 1000kg satellite travels with an orbital speed of 500 m/s around a planet at an orbital radius of 8000 km . What is the mass of the planet?
A sateltle orbits at a height of 6,000 km above the earth’s surface. REarth = 6.38 × 106 m, mEarth = 5.98 × 1024 kg. What is this satelite's speed, in km/s (kilometer per second)? Use G = 6.67 × 10-11 N·m2/kg2.

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2. A space shuttle is orbiting around the Earth at a height, h. If the orbital velocity of the satellite is 7.8 x 10³ m/s, find the value of h. (Use G, Mg and Rgfrom the question #1)