A planet in a faraway galaxy orbiting a star in an almost circular orbit with a radius of 3.40 x 1010 m and an orbital period of 142.5 years. What is the mass of the star?

Q: The captain of a spaceship orbiting planet X discovers that to remain in orbit at 410 km from the…

A: The orbital speed of satellite orbiting around a planet is given  by  V = (GM/r) 1/2. Where G =…

Q: Scientists have recently discovered an exoplanet oribiting a star at the same distance that Earth…

A: Given: Mass of exoplanet = 0.5 times mass of earth Radius of exoplanet = 2 times of radius of earth.

Q: A satellite is orbiting around a planet in a circular orbit. The radius of the orbit, measured from…

A: Given data R = 4.1 ×10^7 m M = 8.6×10^24 kg Magnitude of the centripetal acceleration = ? Speed of V…

Q: The International Space Station is in a 270-mile-high orbit. What is the station's orbital speed?…

A: Given: The height (h) of the orbit of the international space station from the earth is 270 miles.…

Q: As if 2020 wasn't bad enough already, the Death Star has inserted itself into a stable circular…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: The gas-giant planet Rom (mass 5.7⨯1026 kg) goes around the star Galla (mass 2.0⨯1030 kg) in a…

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Q: A planet in a circular orbit about a star has an orbital radius of 6.90 au. If the star has a mass…

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Q: 39. Two newly discovered planets follow circular orbits around a star in a distant part of the…

A: In the given problem, it is asked to find the orbital period of the faster planet in years. Given…

Q: Two celestial bodies whose masses are m1 and m2 are revolving around their common center of mass and…

A: As gravitational force is equal to the centripetal force, The angular speed is given by, The time…

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

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Q: What minimum energy is required to take a stationary 3.5 ×103 kg satellite from the surface of the…

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Q: When a falling meteoroid is at a distance above the Earth's surface of 2.85 times the Earth's…

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Q: The International Space Station is in a 250-mile-high orbit. What is the station's orbital speed?…

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Q: t what rate must a cylindrical spaceship rotate if occupants are to experience simulated gravity of…

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Q: A star has a mass of 1.87 x 1030 kg and is moving in a circular orbit about the center of its…

A: mass of star (m) = 1.87×1030 kg radius of orbit (R) = 2.3×104 light years = 2.3×104×9.5×1015 m =…

Q: When a falling meteoroid is at a distance above the Earth's surface of 3.10 times the Earth's…

A: The formula to calculate the separation is given by, r=RE+dTherefore,r=RE+3.10REr=4.1RE

Q: Planet Z is orbiting Planet X. Planet Z has a mass of 4.5x10^21kg and is orbiting at a radius of…

A: Given data: Mass of planet Z is, mZ=4.5×1021 kg. Orbiting radius is, r=1.2×105 m. Speed of planet Z…

Q: The gas-giant planet Rom (mass 5.7⨯1026 kg) goes around the star Galla (mass 2.0⨯1030 kg) in a…

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Q: An astronaut exploring a distant solar system lands on a planet with with a radius of 2,360 km and a…

A: Given data The radius of the planet is given as r = 2360 km. The gravitational acceleration is…

Q: Assuming a circular orbit for the Sun about the center of the Milky Way galaxy, calculate its…

A: Write the variable with the given values.

Q: A certain triple-star system consists of two stars, each of mass m = 1.9×1030 kg, revolving in the…

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Q: Our Solar System is in the Milky Way galaxy. The nearest galaxy is Andromeda, a distance of 2x1022 m…

A: Given Data: The distance between Milky Way galaxy and Andromeda is, r = 2 x 1022 m. The mass of…

Q: What is the gravitational force on a small mass "m" when the small mass "m" is placed a distance "D"…

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

A: Time period of planet on its own axis (T) = 34 hours  = 122400 secondsMass of planet (M) = 2.7 *…

Q: Three uniform spheres of masses m1 = 3.00 kg, m2 = 4.00 kg, and m3 = 6.50 kg are placed at the…

A: This is a concept of resultant force.

Q: what are the factors that define a local gravitational acceleration?

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Q: If you weigh 685 N on the earth, what would be your weight on the surface of a neutron star that has…

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Q: The gas-giant planet Rom (mass 5.7⨯1026 kg) goes around the star Galla (mass 2.0⨯1030 kg) in a…

A: Given Data: mass of Rom (Mr) = 5.7 * 1026 Kg mass of Galla (MG) = 2 * 1030 Kg radius Of Rom (R) =…

Q: Problem 1 ysterious new planet has a radius of R = 6750 kilometers (km) and a mass of M = 2.75×1024…

A: Given, R = 6750 km M = 2.75 x 1024 kg h = 850 km G = 6.67 x 10-11 Nm2kg-2   (a) Speed of orbit , v =…

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

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Q: An extrasolar planet has mass 1.27E+25_kg and radius 67400000_m. What is the escape speed for this…

A: given that the mass of planet is 1.27*10^25 kg and radius is 67400000 m.

Q: A star of radius 67000 km and mass equal to that of the Sun has two small planets moving around it…

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Q: The latest Space X mission took 4 astronauts to a circular orbit around the Earth. The orbital speed…

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Q: The mass of the Starkiller Base from Star Wars is thought to be about 6.00 x 1024 kg due to the star…

A: Given, The mass of the Starkiller Base from Star Wars is thought to be about, M = 6.00 ×1024 kgmass…

Q: Two planets orbit a star in circular orbits, as shown. The mass of the star is 8 * 101 kg planet 1…

A: I apologise for wrong ordering of solution. Please be careful while doing part a & b.

Q: A typical neutron star may have a mass equal to that of the Sun but a radius of only 14 km. (a) What…

A: Given that                   The mass of the neutron star is equal to the mass of the sun. as we…

Q: An object of mass m is released from rest a distance R above the surface of a planet of mass M and…

A: According to the principle of conservation of energy, the total energy of the object must be…

Q: The gravitational force of a star on an orbiting planet 1 is F1. Planet 2, which is four times as…

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Q: A star has a mass of 1.23 x 1030 kg and is moving in a circular orbit about the center of its…

A: Given data:  Mass (m) = 1.23 × 1030 kg Radius (r) = 1.0 × 104 light year 1 light year = 9.5 × 1015 m…

Q: The radius of the Earth is 6400 km. A spacecraft orbits the Earth at a height of 1600 km above the…

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Q: Astronomers have observed an otherwise normal star, called S2, closely orbiting an extremely massive…

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Q: n object of mass m has an orbital radius R about a planet of mass M. Find the additional speed it…

A: Assume the planet of the radius (R) and mass (M). Now, if an object of mass (m) is projected from a…