A certain planet is located 3.54 x 10^11 m from its sun. If its orbital period is 4.9 x 10^7 s, find the mass of its sun
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science
if all of the following imaginary planets were the same distance from the sun, which would experience the strongest force of gravity due to the sun? planet a: mass 3,500 kg planet b: mass 50,000 kg planet c: mass 750 kg planet d: mass 100,000 kg a)planet a

Physics
If a small planet were located 7 times as far as the Earth's distance from the Sun, it period is ___ earth years?

physics
A planet orbits the sun at a distance of 2.87 x 10^9 km. If the mass of the sun is 1.99 x 10^30 kg, find the orbital period of the planet. Then, calculate the orbital speed of the planet.

Science
What distance was used to define the astronomical unit (AU) A. the average distance across the sun, its diameter B. the average distance from the sun to mercury, the closest planet C. the average distance from the sun to earth, our home planet D. the

Help Mr Oobleck
If all of the following imaginary planets were the same distance from the sun, which would experience the strongest force of gravity due to the sun? Planet Mass (kg) Planet A 3,500 kg Planet B 50,000 kg Planet C 750 kg Planet D 100,000 kg A. Planet A B.

physics
The mean distance of the planet Neptune from the Sun is 30.05 times the mean distance of Earth from the Sun. a.) Determine how many Earthyears it takes Neptune to orbit the Sun. b.) The mass of the Sun is 1.99 x 10^30 kg, and the closest distance of

physics
If a small planet were discovered whose orbital period was twice that of Earth, how many times farther from the Sun would this planet be?

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? (b) What is the radial acceleration of

Physics  Planetary Motion
The planet Neptune has an orbital radiu around the sun of about 4.50 * 10^12m. What are its period and its orbital speed?

Math
One of Kepler's three laws of planetary motion states that the square of the period, P, of a body orbiting the sun is proportional to the cube of its average distance, d, from the sun. The Earth has a period of 365 days and its distance from the sun is

science
The orbital radii of four planets in our solar system are shown in the following table. Orbital Radii Planet Orbital Radii (AU) W 5.2 X 0.72 Y 1.0 Z 19.1 Which planet is likely to experience the highest temperature? W X Y Z I think it is B.x but I am not

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 on the surface of Planet

Math
The period of revolution of a planet around the sun is the time it takes for the planet to complete one orbit of the sun. The period, P years, is give by Kepler's third law P^2=D^3, where D is the average distance from the sun in astronomical units (AU).

physics??
Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. The orbital speeds of the planets are determined to be 41.3 km/s and 52.7 km/s. The slower planet's orbital period is 7.74 years. (a) What is the mass of the

Science
The following table shows the period of revolution of some unknown planets of equal mass. Planet Period of Revolution W 1.9 years X 11.8 years Which of the following best explains which planet is farther from the sun? Planet W, because gravity is inversely

Physicsss
A planet has two satellite moons. Moon X has an orbital period of 2.13 days. Moon Y has an orbital period of about 3.53 days. Both moons have nearly circular orbits. Use Kepler's third law to find the distance of each satellite from the planet's center.

Science
Which of these statements suggests that the orbital period of Venus is shorter than that of Saturn? A) Saturn is much larger in size than Venus. B) Saturn is a gaseous planet; Venus is not. C) Venus is closer to the Sun than Saturn is. D) Saturn takes less

physics
The physics of orbital radius and orbital period of a planet. If a small planet were discovered whose orbital period was twice that of Earth, how many times farther from the sun would this planet be?

physics
According to Kepler's third law, the orbital period T of a planet is related to the radius R of its orbit by T2 R3. A planet's orbit is larger than Earth's by a factor if 3.39. What is the planet's orbital period?

Physics
If a small planet were discovered whose orbital period was twice that of Earth, how many times farther from the Sun would this planet be? The answer for this one is 1.6 earth radii, but I can't seems to get solution to find the answer. I would appreciate

Physics
On October 15, 2001, a planet was discovered orbiting around the star x. Its orbital distance was measured to be 10.5 million kilometers from the center of the star, and its orbital period was estimated at 6.3 days. a. What is the mass of x? b. Express

physics
A planet has two satellite moons. Moon X has an orbital period of 2.13 days. Moon Y has an orbital period of about 3.53 days. Both moons have nearly circular orbits. Use Kepler's third law to find the distance of each satellite from the planet's center.

Physics
The planet pluto travels once around the sun every 248 years at a mena distance from the sun of 5890x10^6 km. Find its orbital speed around the sun in (m/s).

Physics
Callisto orbits Jupiter at an average distance of 1.88 106 km with an orbital period of 0.0457 yr. Pluto, which is one of the satellites of the Sun, orbits its parent at an average distance of 5.90 109 km with an orbital period of 248.3 yr. (a) Use the

science
One of Saturn's moons has an orbital distance of 1.87×100000000m. The mean orbital period of this moon is approximately 23hours. Use this information to estimate a mass for the planet Saturn.

Math/Physics
The Milky Way Galaxy is 100000 light years across. The Sun is located about 30000 light years from the galactic center and revolves around it with a period of 2e8 years. All the stars inside the sun's orbital radius is to be concentrated at the galactic

Algebra
Calculate the average density of planet Pluto, given its mean distance from the sun is 5.91×109 km, its radius is 1137 km, its volume is 6.157×109 km3, its orbital period is 248.1 years and its mass is 1.25×1022 kg. Report the density in g/cm3, without

Astronomy
Newton’s version of Kepler’s third law is P^2 = 4pi^2/(G(M_1+M_2)) a^3. Since the square of the period P varies inversely with the sum of the masses (M_1 + M_2), the period itself depends on the inverse square root of the object masses. If a solar

solar system
if a planet were to collide with another planet making a planet crash into the sun and the sun expanded due to collision what would happen?

Physics
The asteroid belt circles the sun between the orbits of Mars and Jupiter. One asteroid has a period of 10 Earth years. a) What is the asteroid's orbital radius? b)What is the asteroid's orbital speed?

physics
the distance from the earth to the sun is 1.5 times 10 to the 11 power m ( 93 million miles) and the time for one complete orbit of the earth about the sun is one year. how long would it take a planet located at twice this distance from the sun to complete

Science
Scientists have discovered a new planet. The planet is in a solar system whose star is similar in size to the sun and is about as far from the star as Venus is from the sun. The planet is similar in size to Earth, and its atmosphere is similar in thickness

Physics
A certain planet is located 3.54 x 10^11 m from its sun. If its orbital period is 4.9 x 10^7 s, find the mass of its sun.

Physics
A certain planet is located 3.54 x 10^11 m from its sun. If its orbital period is 4.9 x 10^7 s, find the mass of its sun.

Physics
A certain planet is located 3.54 x 10^11 m from its sun. If its orbital period is 4.9 x 10^7 s, find the mass of its sun.

urgent (physics)
A certain planet is located 3.54 x 10^11 m from its sun. If its orbital period is 4.9 x 10^7 s, find the mass of its sun.

Astro
A newly discovered planet orbits a distant star with the same mass as the Sun at an average distance of 118 million kilometers. Its orbital eccentricity is 0.5. A.Find the planet's orbital period. B.Find the planet's nearest orbital distance from its star.

Astronomy
Suppose the Sun were twice as massive as it actually is. What would be the orbital period of a planet at a distance of 10AU from the Sun?

astronomy
suppose the sun were twice as massive a it actually is. What would be the orbital period of a planet at a distance of 10 AU from the sun?

physics
A planet with a mass of (7*10^21) kg is in a circular orbit around a star with a mass of (2*10^30) kg. The planet has an orbital radius of (3*10^10) m. (a) What is the linear orbital velocity of the planet? (b) What is the period of the planet's orbit? (c)

physcs
Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. The orbital speeds of the planets are determined to be 41.8 km/s and 64.6 km/s. The slower planet's orbital period is 8.84 years. (a) What is the mass of the

Physics
Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. The orbital speeds of the planets are determined to be 36.0 km/s and 50.6 km/s. The slower planet's orbital period is 7.78 years. (a) What is the mass of the

college physics 1
Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. The orbital speeds of the planets are determined to be 35.1 km/s and 63.3 km/s. The slower planet's orbital period is 6.74 years. (a) What is the mass of the

physics 1
Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. The orbital speeds of the planets are determined to be 43.6 km/s and 63.5 km/s. The slower planet's orbital period is 8.36 years. (a) What is the mass of the

College Physics
Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. The orbital speeds of the planets are determined to be 43.5 km/s and 54.0 km/s. The slower planet's orbital period is 6.53 years. (a) What is the mass of the

Physics 1111: Orbitals and Distance
A planet has two satellite moons. Moon X has an orbital period of 2.27 days. Moon Y has an orbital period of about 3.40 days. Both moons have nearly circular orbits. Use Kepler's third law to find the distance of each satellite from the planet's center.

Physics?
What information do you need to calculate the altitude of a satellite’s planetsynchronous orbit? (check all that apply) Mass of the planet Radius of the planet Mass of the satellite Period of the planet's rotation on axis Period of the planet's rotation

physics 213
Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. The orbital speeds of the planets are determined to be 44.7 km/s and 56.2 km/s. The slower planet's orbital period is 8.61 years. (a) What is the mass of the

Physics
A planet has two satellite moons. Moon X has an orbital period of 2.13 days. Moon Y has an orbital period of about 3.53 days. Both moons have nearly circular orbits. Use Kepler's third law to find the distance of each satellite from the planet's center.

Astronomy
Orbital speed is the speed with which a planet moves around the sun. The speed is determined by: a)the mass of the planet only b) the mass of the sun only c)both the mass of the planet and the mass of the sun d)the mass of the planet and it's distance from

Physics
A planet has two satellite moons. Moon X has an orbital period of 2.13 days. Moon Y has an orbital period of about 3.53 days. Both moons have nearly circular orbits. Use Kepler's third law to find the distance of each satellite from the planet's center.

Physics I am lost please help
A planet has two satellite moons. Moon X has an orbital period of 2.13 days. Moon Y has an orbital period of about 3.53 days. Both moons have nearly circular orbits. Use Kepler's third law to find the distance of each satellite from the planet's center.

Physics
A planet has two satellite moons. Moon X has an orbital period of 2.13 days. Moon Y has an orbital period of about 3.53 days. Both moons have nearly circular orbits. Use Kepler's third law to find the distance of each satellite from the planet's center.

Science
Period of orbit around the Sun: 29.5 years Radius: 74,900 miles Period of rotating on axis: 10 hours 39 minutes Mass :568.46 X 1024 kg The table shows data related to the planet Saturn. Which data is essential to find the length of a year on Saturn? A)

science
In astronomy the term perihelion refers to the point in the orbit of an asteroid, comet, or planet when it is closest to the sun. Aphelion refers to the point when the object is farthest away from the sun. research facts about the dwarf planet Ceres.

Astronomy
Two bodies with equal masses orbit the Sun in a circular orbit. If the radii of the two orbits are the same then following is true: a) The orbital period of the two bodies is the same because their masses are the same. b) Their orbital period of the two

Physics
A planet with mass 7 x 1024 kg orbits a sun with a period of 1 Earth's years. The speed of the planet around that sun is constant and v=43000 m/s. What is the mass of that sun?

Physics
Three masses, m1 (a mouse), m2 (a bear) and m3 (an elephant), are in circular orbits of radii r1, r2 and r3 around the sun. The masses obey the relation, m1 < m2 < m3. While r1 and r2 are equal to Earth's orbital radius, r3 is equal to Jupiter's orbital

Astronomy
Understanding Newton's Version of Kepler's law. Find the orbital period in each case. Part A: A planet with twice Earth's mass orbiting at a distance of 1 AU from a star with the same mass as the sun.

Science
Based on Kepler's observations about planetary motion, what is the relationship between a planet's orbital velocity and its distance from the sun?(1 point) The greater the distance, the greater the orbital velocity.*** As distance is cut in half, orbital

Physics
1. Planet X orbits the sun with a mean orbital radius that is 6200 times that of earth. Its diameter is twice that of earth, and its mass is 8 times that of earth. A) Calculate the year of the planet X. B) Calculate the acceleration due to gravity on

science
if earth is one astronomical unit from the sun and has a period of 1 year, approximately how far is planet X form the sun if it has a period of 26 yearS

math
If planet I is 31.8 million miles from the sun than planet II, then planet III is 25.6 million miles father from the sun than planet I. When the total of the distances for these three planets from the sun is 200.2 million miles, how far away from the sun

earth
planet is in circular orbit around the Sun. Its distance from the Sun is 2.9 times the average distance of Earth from the Sun. What is the period of this planet, in Earth years?

college math
given at . the distance from the earth to the sun is 1.5 * 10^11, and the mass of the sun is 1.9 *10^30 kg 1. use kepler's law of period to find the period of the earth's orbit recorded in seconds. show how to express your answer in years: and if your

Grade 9 Science
why does a planet's orbital radius represents that planet's average distance from the sun and not its exact distance?

physical science
One of Saturn's moons has an orbital distance of 1.87 x 108 m. The mean orbital period of this moon is approximately 23 hours. Use this information to estimate a mass for the planet Saturn.

physics
find the rotational kinetic energy of the earth about the sun due to its orbital about the sun. The mass of the each M is 6 X 10^24 kg, the orbital radius r is 1.5 X 10^11 m and the rotational period T is 1 year. Hint, treat the earth as a point mass in

science
One of Saturn's moons has an orbital distance of 1.87× 10m to the 8 power. The mean orbital period of this moon is approximately 23 hours. Use this information to estimate a mass for the planet Saturn.

Orbital period
A planet orbiting a certain star is observed to have an orbital period of 65 days with an orbit whose semimajor axis is 3.8 × 107 km. A second planet orbiting the same star has an orbital period of 450 d. What is the semimajor axis of its orbit?

physic
A 1000kg satellite travels with an orbital speed of 500 m/s around a planet at an orbital raduis of 8000 km. What is the mass of the planet

physics
What is the average linear speed of the Earth about the Sun? (The distance from the Sun to the Earth is 1.50 1011 meters. The orbital period around the Sun is 365.3 days.)

Physics
What is the average linear speed of the Earth about the Sun? (The distance from the Sun to the Earth is 1.50 1011 meters. The orbital period around the Sun is 365.3 days.)

Physics
What is the average linear speed of Mercury about the Sun? (The distance from the Sun to Mercury is 5.80 1010 meters. The orbital period around the Sun is 88 days.)

Physics
What is the average linear speed of Mercury about the Sun? (The distance from the Sun to Mercury is 5.80 1010 meters. The orbital period around the Sun is 88 days.)

Physics to bobpursley or any1 else who knows this
A planet has two satellite moons. Moon X has an orbital period of 2.13 days. Moon Y has an orbital period of about 3.53 days. Both moons have nearly circular orbits. Use Kepler's third law to find the distance of each satellite from the planet's center.

Math/Physics
1. A typical virus is a packet of protein and DNA or RNA and can be spherical in shape. The influenza A virus is a spherical virus that has a diameter of 85nm. If the volume of saliva coughed on to you by a friend with the flu is .010cm^3 and 10^9 of that

physics
(how do I go about solving this, i know i need to conver 88days to secs and that would be 126,720. but I don't where to go from there, help please) What is the average linear speed of Mercury about the Sun? (The distance from the Sun to Mercury is 5.80

Astronomy
If a space probe were sent into orbit around the sun that brought it as close as 0.5 AU to the sun and as far away as 5.5 AU, what would its orbital period be? Can I use Kepler's 3rd law for this? I'm not sure how to take into account both AUs...

Astronomy
Saturn’s Moon Janus is observed to orbit the planet with period 0.695 days, grazing the planet with an orbital radius only 2.64 times the radius of the planet itself. Use this information to find the mass of Saturn. Express your answer as a multiple of

physics
Given that Earth orbits the Sun with a semimajor axis of 1.000 AU and an approximate orbital period of 365.24 days, determine the mass of the Sun. (1 AU = 1.496 ✕ 1011 m)

physic
Given that Earth orbits the Sun with a semimajor axis of 1.000 AU and an approximate orbital period of 365.24 days, determine the mass of the Sun. (1 AU = 1.496 ✕ 1011 m)

Science
istance of a planet from sun is four times the distance of the planet frpm earth.How many years will the planet take to complete one revolution of sun?

Science repost
if a planet were to collide with another planet making a planet crash into the sun and the sun expanded due to collision what would happen?

problem solving
Given that • The distance from the earth to the sun is 1.5*10^11m, and • The mass of the sun is 1.9 *10^30 kg , 1. use Kepler’s Law of Periods to find the period of the earth’s orbit, recorded in seconds:; 2. show how to express your answer in

Physics
"If a small planet were located 8 times as far as the Earth's distance from the Sun, what would be its period in Earth years?" (22.5 earth years) As a note, we are given a table with all of the planets' masses and radii.

physics
A planet orbits its star in a circular orbit (uniform circular motion) of radius 1.62x10^11 m. The orbital period of the planet around its star is 37.0 years. Determine the following quantities for this orbital motion: Angular acceleration , Tangential

physics
A planet orbits its star in a circular orbit (uniform circular motion) of radius 1.62x10^11 m. The orbital period of the planet around its star is 37.0 years. Determine the following quantities for this orbital motion: Angular acceleration , Tangential

physics
A planet orbits its star in a circular orbit (uniform circular motion) of radius 1.62x10^11 m. The orbital period of the planet around its star is 37.0 years. Determine the following quantities for this orbital motion: Angular acceleration , Tangential

physics
A planet orbits its star in a circular orbit (uniform circular motion) of radius 1.62x10^11 m. The orbital period of the planet around its star is 37.0 years. Determine the following quantities for this orbital motion: Angular acceleration , Tangential

physics
A planet orbits its star in a circular orbit (uniform circular motion) of radius 1.62x10^11 m. The orbital period of the planet around its star is 37.0 years. Determine the following quantities for this orbital motion: Angular acceleration , Tangential

physics
Imagine a planet that orbited the sun at a distance three times that of Earth. What would the period of that planet be in Earth years?

Physics questoin
A satellite has an orbital radius of 3.74x10^7 m. If it has a period of 49776 seconds, what is the mass of the planet?

PHYSICS PLEASE HELP !!!!!
On some planet with a radius of 8,553 km and a mass of 5.55 x 1024 kg the planet is spinning so fast such that anything at the equator will fly off of the planet. What is the planet's period (length of a day on the planet) in hours? Please help me solve !

IPC
the planet mars is located 228 million kilometers (2.28x10^11m) away from the sun. if it takes the sun 760 seconds to reach mars how fast is light travelling???

8th grade science
Q: how might the length of mercury day affect the temperature ranges found on the planet? A: A)Over time the closeness of the planet to the sun has caused it to shrink. B)The entire planet would get burned by the intense amount of sunlight. C)Parts of the

Math
The average radius r in meters of a planet's path around the sun is given by the formula r=[(3.35 x 10^18)t^2]^1/3, where t is the time in seconds that it takes the planet to go around the sun. a. Rewrite the equation using the root symbol. b. Neptune

help help help
The asteroid belt between Mars and Jupiter consists of many fragments (which some space scientists think came from a planet that once orbited the Sun but was destroyed). (a) If the center of mass of the asteroid belt is about 2 times farther from the Sun

Physics
A planet has a period of revolution about the Sun equal to T and a mean distance from the Sun equal to R. T^2 varies directly as __________. R R^2 R^3 R^4 R^5

Physics
The moon Europa, of the planet Jupiter, has an orbital period of 3.55 days and an average distance from the center of the planet equal to 671,000 km. If the magnitude of the gravitational acceleration at the surface of Jupiter is 2.36 times greater than