Physics

posted by .

The radius of planet X is 5.0 bleems. It takes 4 earth years to complete it's orbit. Another planet, Z, orbits the same sun and has an orbit with the radius of 12 bleems.

How long does it take for planet Z to complete an orbit?

  • Physics -

    kepplers third law: the square of the orbital period is proportional to the cube of mean radius.

    4^2/T^2=5^3/12^3

    solve for period T

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. physics help 3!! **

    Based on the following data about planet X (which orbits around the Sun): Planet X's distance from Sun = 3.6*1012 m Planet X's radius = 2*106 m Planet X's mass = 8.2*1022 kg a.) Find gx, the size of the acceleration due to gravity …
  2. college algebra

    Kepler’s third law. According to Kepler’s third law of planetary motion, the ratio t^2/r^3 has the same value for every planet in our solar system. R is the average radius of the orbit of the planet measured in astronomical units …
  3. college

    A newly discovered planet is found to have a circular orbit, with a radius equal to 11 times the radius of Earth's orbit. How long does this planet take to complete one orbit around the Sun?
  4. physics

    You have arrived at a new planet and put your starship into a circular orbit at a height above the surface that is equal to two times the radius of the planet. Your speed is 4300 m/s and it takes 7 hours and 18 minutes to complete …
  5. physorbit

    A spacecraft is in orbit around a planet. The radius of the orbit is 3.2 times the radius of the planet (which is R = 71490 km). The gravitational field at the surface of the planet is 24 N/kg. What is the period of the spacecraft's …
  6. Physics

    Astronomers can calculate the mass of a planet by using the orbital parameters of one of its moons. Consider a hypothetical planet, which has a hypothetical moon that orbits the planet in a roughly circular orbit with a radius of 3.95*10^8 …
  7. Physics

    Two satellites, X and Y, orbit a planet in nearly circular orbits. Satellite X takes 20 days to complete one orbit, while satellite Y takes 160 days. If satellite X has orbital radius 1.0r, what is the orbital radius of satellite Y?
  8. Physics

    Earth speeds along at 29.8 km/s in its orbit. Neptune's nearly circular orbit has a radius of 4.5 x 109 km, and the planet takes 164.8 years to make one trip around the Sun. Calculate the speed at which Neptune plods along in its orbit.
  9. Physics Classical Mechanics

    A planet has a single moon that is solely influenced by the gravitational interaction between the two bodies. We will assume that the moon is moving in a circular orbit around the planet and that the moon travels with a constant speed …
  10. Physics

    The radius of the earth's orbit around the sun (assumed to be circular) is 1.50 X 108 km, and the earth travels around this orbit in 365 days. (a) What is the magnitude of the orbital velocity of the earth, in m/s?

More Similar Questions