Which of the statements are correct about a planet revolving around a star? A. If the...
Which of the statements are correct about a planet revolving around a star?
A. If the mass of the star increases to four times what it was, the period of the planet revolving around the star will reduce to half of what it was
B.If the mass of the planet doubles, its period revolving around the star will become half of its original
C.If the mass of the star doubles, the period of the planet revolving around the star will reduce to half of what it was.
D.If the mass of the planet doubles, its period revolving around the star remains unchanged.
E.If the mass of the planet doubles, its period revolving around the star will also double.
Homework Answers
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Which of the statements are correct about a planet revolving
around a star?
A. If the...
A planet is discovered to orbit around a star in the galaxy Andromeda, with the same...
A planet is discovered to orbit around a star in the galaxy Andromeda, with the same orbital diameter as the Earth around our Sun. If that star has 4 times the mass of our Sun, what will the period of revolution of that new planet be, compared to the Earth's orb o One-fourth as much o One-half as much Twice as much A. Four times much The average distance from the Earth to the Sun is defined as one "astronomical...
7. Planet A and planet B orbit around the same star. Planet A is thre times...
7. Planet A and planet B orbit around the same star. Planet A is thre times as far away from the star as planet B is. We can write the previous statement as a ratio: TA/TB 3, where r stands for the planet's distance to the star. What is the ratio of the period of planet A around the star to the period of planet B? In other words, labeling period as T, what is TA/TB? Give your answer with...
Two planets are orbiting around the same star. Planet A has four times the mass of...
Two planets are orbiting around the same star. Planet A has four times the mass of planet B. Planet A is located twice further from the star than planet B. When comparing the force of gravity affecting both planets, what is the value of the following ratio: FG on A FG on B O A) 4 B) 2 C) 1 D) 1/2 O E) 1/4
Problem 1 Planetary Orbits Consider the two-body problem for a planet-star system. The planet, of mass...
Problem 1 Planetary Orbits Consider the two-body problem for a planet-star system. The planet, of mass m, is initially in a circular orbit of radius r and angular speed w about the star, of mass M. (i) What is the gravitational potential energy of the system, U? What is the kinetic energy of the planet, K? What is the total energy of the system, E = K +U? (ii) The star suddenly loses half of its mass, M + M/2....
Astronomers discover an exoplanet (a planet of a star other than the Sun) that has an...
Astronomers discover an exoplanet (a planet of a star other than the Sun) that has an orbital period of 3.97 Earth years in its circular orbit around its sun, which is a star with a measured mass of 3.41 times 10^30 kg. Find the radius of the exoplanet's orbit. _____ m
8. A certain star has a mass four times that of our Sun. A planet in...
8. A certain star has a mass four times that of our Sun. A planet in orbit around that star has a semimajor axis of 0.45 AU and an eccentricity of 0.32. What is the rate of precession of this planet's "perihelion"?
Two masses are in space far away from any star or planet. Mass 1 is 2...
Two masses are in space far away from any star or planet. Mass 1 is 2 times 10^5 kg and mass 2 is 13 kg. The magnitude of the gravitational force between is 1.2 Newtons. If mass 2 is orbiting in a circular orbit around mass 1, what is its period of orbit in seconds? Assume mass 1 is not moving at all.
Satellite A has twice the mass of satellite B, and circles in the same orbit. Compare the two satellite's speeds. The s...
Satellite A has twice the mass of satellite B, and circles in the same orbit. Compare the two satellite's speeds. The speed of B is twice the speed of A. The speed of Bis half the speed of A. A. The speed of Bis one-fourth the speed of A. The speed of B is equal to the speed of A. The speed of Halley's Comet, while traveling in its elliptical orbit around the Sun, O is constant increases as it...
Explain. Thanks Problem 3 (25 pts) A planet of unknown mass orbits around a star of...
Explain. Thanks
Problem 3 (25 pts) A planet of unknown mass orbits around a star of mass 1.2 x 10^30 kg with a period of T= 220 days. What is the radius of the orbit? wel wathy 60min bos - 19008000 s I day I Ihr Ilmis 2
2. Which one of the following statements about measuring the mass of an isolated star (a...
2. Which one of the following statements about measuring the mass of an isolated star (a star that is not in a binary star system) is correct? a) the mass of the star can be measured accurately only if its luminosity and temperature can be measured b) the mass of the star cannot be measured accurately c) the mass of the star can be measured accurately only if its distance can be found d) the mass of the star can...
A planet is discovered to orbit around a star in the galaxy Andromeda, with the same orbital diameter as the Earth around our Sun. If that star has 4 times the mass of our Sun, what will the period of revolution of that new planet be, compared to the Earth's orb o One-fourth as much o One-half as much Twice as much A. Four times much The average distance from the Earth to the Sun is defined as one "astronomical...
7. Planet A and planet B orbit around the same star. Planet A is thre times as far away from the star as planet B is. We can write the previous statement as a ratio: TA/TB 3, where r stands for the planet's distance to the star. What is the ratio of the period of planet A around the star to the period of planet B? In other words, labeling period as T, what is TA/TB? Give your answer with...
Two planets are orbiting around the same star. Planet A has four times the mass of planet B. Planet A is located twice further from the star than planet B. When comparing the force of gravity affecting both planets, what is the value of the following ratio: FG on A FG on B O A) 4 B) 2 C) 1 D) 1/2 O E) 1/4
Problem 1 Planetary Orbits Consider the two-body problem for a planet-star system. The planet, of mass m, is initially in a circular orbit of radius r and angular speed w about the star, of mass M. (i) What is the gravitational potential energy of the system, U? What is the kinetic energy of the planet, K? What is the total energy of the system, E = K +U? (ii) The star suddenly loses half of its mass, M + M/2....
Astronomers discover an exoplanet (a planet of a star other than the Sun) that has an orbital period of 3.97 Earth years in its circular orbit around its sun, which is a star with a measured mass of 3.41 times 10^30 kg. Find the radius of the exoplanet's orbit. _____ m
8. A certain star has a mass four times that of our Sun. A planet in orbit around that star has a semimajor axis of 0.45 AU and an eccentricity of 0.32. What is the rate of precession of this planet's "perihelion"?
Two masses are in space far away from any star or planet. Mass 1 is 2 times 10^5 kg and mass 2 is 13 kg. The magnitude of the gravitational force between is 1.2 Newtons. If mass 2 is orbiting in a circular orbit around mass 1, what is its period of orbit in seconds? Assume mass 1 is not moving at all.
Satellite A has twice the mass of satellite B, and circles in the same orbit. Compare the two satellite's speeds. The speed of B is twice the speed of A. The speed of Bis half the speed of A. A. The speed of Bis one-fourth the speed of A. The speed of B is equal to the speed of A. The speed of Halley's Comet, while traveling in its elliptical orbit around the Sun, O is constant increases as it...
Explain. Thanks
Problem 3 (25 pts) A planet of unknown mass orbits around a star of mass 1.2 x 10^30 kg with a period of T= 220 days. What is the radius of the orbit? wel wathy 60min bos - 19008000 s I day I Ihr Ilmis 2
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