Two planets of equal mass orbit a much more massive star. Planet m 1 moves in a circular orbit of radius r 1 = 10^11 m with a period of 2 years (= 6.3 x 10^7 s). Planet m 2 moves in an elliptical orbit with its closes t distance r 1 and its farthest distance r 2 = 1.8 x 10^11 m. a. Find the period of m 2’s orbit.

Q: An object of mass 500 kg goes past a planet of mass 5 x 1022 kg at a distance of 5 x 106 m from the…

A: Centripetal force= gravitational force

Q: The international space station is orbiting at an altitude of about 370km above the earth's surface.…

A: Given: Altitude h : 370 km Mass of Earth ME : 5.976×1024 kg Radius of Earth RE : 6.378 ×106 m

Q: A satellite orbits a planet at 7000m/s in 100 minutes. What is the mass of the planet? b. What is…

A: Velocity of satellite = 7000m/s  time = 100 min =6000 sec we have to calculate mass of the planet.

Q: ) Assume that a satellite orbits Earth 225 km above its surface. Given that the  mass of Earth is…

A: Answering question 1 The distance from centre of Earth to Satellite is, r=RE+225 km1000 m1 km…

Q: Astronomical observations of our Milky Way galaxy indicate that it has a mass of about 8.0 x 10…

A: (a) orbital period of the star T=2πr3GM=2π6.0×104 ly39.461×1015 m1 ly36.67×10-11…

Q: A satellite is launched to orbit the Earth at an altitude of 3.35 x 10' m for use in the Global…

A: (a) Let r denotes the Earth’s radius, h denotes the satellite’s altitude, M denotes the Earth’s…

Q: You are a person with incredible arm strength. You throw a ball of mass m = 2 kg horizontally with…

A:

Q: NASA is expected to send a 2600-kg satellite 450 km above the earth’s surface. (a) What is its…

A:

Q: NASA is expected to send a 2600-kg satellite 450 km above the earth’s surface. (a) What is its…

A: The radius of orbit is given by  r = R + h  The orbital velocity is given by  v  =G Mr

Q: Triton is a satellite of the planet Neptune. The mean orbital distance from Triton to Neptune is…

A: a) Given, Time= 5.88 days=5.88x24x60x60=508032s  Ans. The value of Triton’s orbital period in…

Q: A satellite is launched to orbit the Earth at an altitude of 2.05 x 10' m for use in the Global…

A:

Q: In a certain binary-star system, each star has the a mass of 1.08 x 1030 kg, and they revolve about…

A:

Q: Two planets  P1 and P2 orbit around a star S in circular orbits with speeds v1 = 44.0 km/s, and v2 =…

A:

Q: Answer no. 1 ( a&b) and no. 2 please   1. Assume that a satellite orbits Earth 225 km above its…

A: given that, Height (h) = 225km Mass of Earth (M)= 5.97 x 10^24 kg Radius of Earth (r) = 6.38 x 10^6…

Q: Astronomical observations of our Milky Way galaxy indicate that it has a mass of about 8.0 x 1011…

A: Given that, Mass of the milky way galaxy, M=8×1011 Ms (Ms is the mass of Sun) M=8×1011×1.989 ×1030…

Q: Two planets in circular orbits around a star have speeds of v and 7v. (a) What is the ratio of the…

A:

Q: Astronomical observations of our Milky Way galaxy indicate that it has a mass of about 8.0 x 10…

A:

Q: 1. A planet with a mass of 7.5 x 1025 kg moves around a 9.5 x 1031 kg star in a perfectly circular…

A: Given Data, Mass of the planet (m)=7.5×1025 kg Mass of the star (M)=9.5×1031 kg Radius of the…

Q: A satellite of mass 175 kg is launched from a site on Earth's equator into an orbit at 180 km above…

A:

Q: A satellite with a mass of 300 kg moves in a circular orbit 5 x 107 m above the earth's surface. a)…

A: Given, Mass of the satellite, m = 300 kg circular orbit above the earth's surface, h = 5×107 m…

Q: Two planets in circular orbits around a star have speeds of v and 2v. (a) What is the ratio of the…

A: Let the mass of star = M The orbital velocity of first planet (v1) = v The orbital velocity of…

Q: (III) The comet Hale–Bopp has an orbital period of2400 years. (a) What is its mean distance from the…

A: (a) Using Kepler’s third law of planetary motion.

Q: In a distant solar system, a planet of mass 5.0 x 1024 kg orbits a sun of mass 3.0 x 1030 kg at a…

A:

Q: Two planets P, and P, orbit around a star S in circular orbits with speeds v1 = 45.0 km/s, and v2 =…

A: (a) Compare the gravitational force and centripetal force. FC=FGmpv2R=GmpmsR2v2=GmsR The speed due…

Q: distant planet that rotates on its axis with a period of T. The spaceship enters a geosynchronous…

A:

Q: Two planets in circular orbits around a star have speeds of v and 7v. (a) What is the ratio of the…

A: Given: v1 = v  v2 = 7 v

Q: Problem 1. A planet with a mass of 7.00x10-" kg is in a circular orbit around a star with a mass of…

A:

Q: Astronomical observations of our Milky Way galaxy indicate that it has a mass of about 8.0 x 10…

A: mass of milky way (m) = 8×1011 solar masses = 8×1011×2×1030kg = 16×1041 kg distance (d) = 5.6×104…

Q: Turksat 5A Satellite is launched in a circular orbit 700 km above the earth's surface. a. How long…

A:

Q: (a) At what position in its elliptical orbit is the speed of a planet a maximum? O when it is…

A: Kepler's planetary law states that the areal velocity of a planet is constant that is a planet…

Q: Section Problem 6 A man-made satellite of mass 6000 kg is in orbit around the earth, making one…

A:

Q: Two planets in circular orbits around a star have speeds of v and 2v. (a) What is the ratio of the…

A: Given: The speed of first planet is v. The speed of second planet is 2v.

Q: NASA is expected to send a 2600 kg satellite 450 km above the earth's surface. (a) what is it's…

A: Mass of satellite (m) = 2600 kg Mass of earth (M) = 5.97×1024 Kg height of satellite above the earth…

Q: Planet X rotates in the same manner as the earth, around an axis through its north and south poles,…

A: Weight on Earth , WE = 943 N Weight on north pole of planet X , WXN = 915 N Weight on equator of…

Q: Two planets P, and P orbit around a star S in circular orbits with speeds v = 44.2 km/s, and v2 =…

A: According to Kepler's third law, in any planetary system, the third power of the orbital radius of a…

Q: Two equal-mass stars maintain a constant distance apart of 8.0 x 101" m and revolve about a point…

A: In the question two equal masses stars are given having constant distance between them 8×1011 m…

Q: A 561-kg satellite is in a circular orbit about Earth at a height above Earth equal to Earth's mean…

A: Orbital speed = GMR+hTime period = 2π(R+h) VGravitational force = centripetal force = mv2r

Q: Two planets P, and P, orbit around a star S in circular orbits with speeds v, = 46.8 km/s, and v, =…

A: Given: The speed of first planet is v1=46.8 km/s. The speed of second planet is v2=59.6 km/s. The…

Q: Two spheres of mass  M1 = 710 kg  and  M2 = 370 kg  are placed  4.60 m  apart. A particle of mass…

A:

Q: An asteroid has a mean radius of orbit around the center of the Sun of 4.83x1011 m. a) What is its…

A:

Q: A 500 kg satellite remains at the same location relative to a location on a Planet Mars that rotates…

A: The given data are listed below with appropriate variables. Here, m denotes the satellite’s mass, r…

Q: NASA is expected to send a 2500-kg satellite 500 km above the earth's surface. 24. What is its…

A:

Q: An intergalactic spaceship arrives at a distant planet that rotates on its axis with a period of T.…

A: a  Let us consider,       mass of planet=mp       mass of spaceship=ms       speed of spaceship at…

Q: The spaceship Palomino approaches star XYZ to study it by going into a circular orbit of radius…

A: Given data: Radius of the orbit, R=1.0×107 km = 1.0×1010 m Distance between planet and star,…

Q: A typical neutron star may have a mass equal to that of the Sun (m =1.99x10 30 kg) but a radius of…

A: a) Let the radius of the star be R and the mass of the star be m. In this case, R = 10×103 m m =…

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.