7) Assume that we have a distant Star-Planet system with no other planets and the Star is the sameas the Sun and the planet is the same as the Earth. (This is called an "Earth analog" or "Earthtwin".) The masses and orbits are the same, except you can assume a perfect circular orbit.a. Calculate the equation for the orbital velocity of a planet on a circular orbit. To do thisuse the equation for average speed: distance=rate * time. In a circular orbit, the speed(not the velocity!) is always the same, so can use a time that is one full orbital period (i.e.,1 year). What is the distance that a planet on a circular orbit traverses in this time?Calculate the speed of the Earth twin in meters/second.

in the given star- planet system planet's orbit is circular orbit distant star-planet system is…

Answered: 7) Assume that we have a distant…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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B)how long would it take for a ball dropped from a height of 15.0 meters to land on the surface of this planet? Answer in seconds. Use kinematic equation
A number of gas giant planets orbiting other stars at distances less than 1 A.U. have been discovered. Because of their proximity to their parent stars, and their compositional similarity to Jupiter, they have been labeled “Hot Jupiters”. The orbital radius of one of these planets is 0.06 A.U. with average orbital speed 600 km/sec. What is the length of this planet’s year in Earth (solar) days? Estimate the mass, M, of its parent star in terms of the mass of the sun (M) using Newton’s first form of Kepler’s 3rd Law. Calculate the star’s luminosity, L, in terms of the luminosity of the sun (L☉), Note: (LL=MM4where L ~ 4 × 1026 W ). The radius of this planet is 1.5 times the radius of Jupiter. Assuming its equilibrium temperature is the temperature at which the planet radiates as much energy as it receives from its star, estimate the temperature of the planet. The value of the planet’s albedo is 0.8. (NOTE: The intensity of the star’s radiant power at a distance d from the star is…
"Kepler's Second Law" pg. 24, question 12 Which of the three orbits shown below (A, B, or C) would you say most closely matches the shape of Earth's orbit around the Sun? A A В
The planet in the orbit shown in the drawing obeys Kepler s 2nd Law. B During which part of the planet's orbit (A, B, C, or D) would the planet move with the greatest speed? Answer E if you think the planet travels with the same speed during ALL of the portions of the motion (A, B, C, and D). O A. A В. В O C. C D.D O E. E
V2
A number of gas giant planets orbiting other stars at distances less than 1 A.U. have been discovered. Because of their proximity to their parent stars, and their compositional similarity to Jupiter, they have been labeled “Hot Jupiters”. The orbital radius of one of these planets is 0.06 A.U. with average orbital speed 600 km/sec. What is the length of this planet’s year in Earth (solar) days? Estimate the mass, M, of its parent star in terms of the mass of the sun (M) using Newton’s first form of Kepler’s 3rd Law. Calculate the star’s luminosity, L, in terms of the luminosity of the sun (L☉), Note: (LL=MM4where L ~ 4 × 1026 W ). The radius of this planet is 1.5 times the radius of Jupiter. Assuming its equilibrium temperature is the temperature at which the planet radiates as much energy as it receives from its star, estimate the temperature of the planet. The value of the planet’s albedo is 0.8. (NOTE: The intensity of the star’s radiant power at a distance d from the star is…
A satellite is traveling around a planet in a circular orbit with radius R. It moves in a constant speed of v = 1.1 × 104 m/s. The mass of the planet is M = 6.04 × 1024 kg. The mass of the satellite is m = 1.2 × 103 kg. a)Enter an expression for the radius R in terms of G, M and v. b)Calculate the value of R in meters. c)Enter an expression for the gravitational potential energy PE in terms of G, M, m, and R.
Venus-orbiting geosynchronous satellite. Venus rotates every 117 days. How far above Venus's surface must the satellite orbit in km?
Venus-orbiting geosynchronous satellite. Venus rotates every 117 days. How far above Venus's surface must the satellite orbit in km?
a and b
The earth orbits the sun once a year (3.16 107 seconds) in a nearly circular orbit of radius 1.5-10¹¹m. a) Assuming the earth travels at a constant speed, determine that speed. (Hint: Average speed distance / time. Distance around a circle is called the circumference of the circle.) VEarth = m/s b) Determine the size of the centripetal acceleration of the earth. m ac = c) Determine the size of the net centripetal force needed to keep the earth orbiting the sun. What is its direction? Fret N
19. Which of the following is not one of, nor a direct consequence of, Kepler's Laws?

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