Question

A planet requires 230 (Earth) days to complete its circular orbit around its sun, which has...

A planet requires 230 (Earth) days to complete its circular orbit around its sun, which has a mass of 2.4 x 1030 kg. What are the planet's (a) orbital radius and (b) orbital speed?

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Astronomers discover an exoplanet, a planet obriting a star other than the Sun, that has an...
Astronomers discover an exoplanet, a planet obriting a star other than the Sun, that has an orbital period of 3.75 Earth years in a circular orbit around its star, which has a measured mass of 3.21×1030 kg . Find the radius ? of the exoplanet's orbit.
1). a). An asteroid is discovered in a nearly circular orbit around the Sun, with an...
1). a). An asteroid is discovered in a nearly circular orbit around the Sun, with an orbital radius that is 2.83 times Earth's. What is the asteroid's orbital period ?, its "year," in terms of Earth years? b). An artificial satellite is in a circular orbit ?=390.0 km above the surface of a planet of radius ?=3.65×103 km. The period of revolution of the satellite around the planet is ?=3.15 hours. What is the average density of the planet?
1.Zero, a hypothetical planet, has a mass of 4.9 x 1023 kg, a radius of 3.3...
1.Zero, a hypothetical planet, has a mass of 4.9 x 1023 kg, a radius of 3.3 x 106 m, and no atmosphere. A 10 kg space probe is to be launched vertically from its surface. (a) If the probe is launched with an initial kinetic energy of 5.0 x 107 J, what will be its kinetic energy when it is 4.0 x 106 m from the center of Zero? (b) If the probe is to achieve a maximum distance of...
A newly discovered planet follows a circular orbit around a star in a distant part of...
A newly discovered planet follows a circular orbit around a star in a distant part of the galaxy. The orbital speed of the planet is determined to be 43,400 m/s. The slower planet's orbital period is 2.40x10^8 s. a. What is the radius of the orbit of the planet? b. What is the mass of the star? (hint: is there a centripetal force? If so, what force i causing the centripetal force?)
A planet is in a circular orbit around the sun. Use Newton's law of gravity and...
A planet is in a circular orbit around the sun. Use Newton's law of gravity and his second law of motion to calculate the period of the planet (in day). Data: Mass of sun = 1.989 e+30 kg; Mass of planet = 6.0 e+24 kg; Orbit radius = 1.496 e+11 m.
A satellite of mass 350 kg is in a circular orbit around the Earth at an...
A satellite of mass 350 kg is in a circular orbit around the Earth at an altitude equal to the Earth's mean radius. (a) Find the satellite's orbital speed. m/s (b) What is the period of its revolution? min (c) Calculate the gravitational force acting on it. N
Planet X has two moons orbiting in circular orbit around it. The mass of the first...
Planet X has two moons orbiting in circular orbit around it. The mass of the first moon is twice the mass of the second moon. The radius of the circular orbit of the first moon is twice the radius of the second moon. If the first moon’s orbital velocity is 8000 m/s, what is the orbital velocity of the second moon?
An alien civilization occupies a planet circling a brown dwarf, several light-years away. The plane of...
An alien civilization occupies a planet circling a brown dwarf, several light-years away. The plane of the planet's orbit is perpendicular to a line from the brown dwarf to the Sun, so the planet is at nearly a fixed position relative to the Sun. The extraterrestrials have come to love broadcasts of MacGyver, on television channel 2, at carrier frequency 577 MHz.Their line of sight to us is in the plane of the Earth's orbit. Find the difference between the...
assume that the earth orbits the sun in a circular orbit with constant speed at a...
assume that the earth orbits the sun in a circular orbit with constant speed at a radius of 1.5 x 10^11 m with a period of T = 356 days. Calculate the speed of the earth in its orbit (in m/s)
Satellite X, a small moon of Planet X, has an orbital period of 1.77 days and...
Satellite X, a small moon of Planet X, has an orbital period of 1.77 days and an orbital radius of 4.22 x 10^5 km. a) What is the mass of Planet X? b) Assume that Satellite X moves in a circular orbit. What is its orbital speed? c) A small mass of m = 2.5 kg is dropped from rest from the moon. What is its speed when it reaches the surface of Planet X, whose radius is 71,492 km?...