In a certain binary-star system, each star has the same mass which is 9.0 times of that of the Sun, and they revolve about their center of mass. The distance between them is the 7.9 times the distance between Earth and the Sun. What is their period of revolution in years?

Q: An exploding star: A planet of mass m is in a circular orbit about a star of mass M at an initial…

A: Gravitational force would balance the centripetal force:    mrω2=GMmr2  ω=GMr31/2   After explosion:…

Q: A certain triple-star system consists of two stars, each of mass m = 4.00×1031 kg, revolving about a…

A: Consider one of the two stars at the opposite ends of the diameter of the circular orbit. The star…

Q: Let's model a planetary ring as having mass Mng = 2.30 x 1020 kg and radius R = 100,000 km. A body…

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Q: The asteroid 243 Ida has a mass of about 4.0×10¹⁶ kg and an average radius of about 16 km (it's not…

A: Mass , m = 4.0 x 1016 kgRadius , R = 16 km = 16 x 103 mTo find = a) launch speed of rock .…

Q: Synchronous or “stationary” communications satellites are put into an orbit whose radius is 4.23×1^7…

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Q: Ex. 17: A satellite is revolving around the earth in a circular orbit at a distance of 107 m from…

A: The speed(v) of the satellite. Given, Universal Gravitational ConstantG=6.67×10-11 Nm2kg2mass of…

Q: In a binary star system, two stars orbit about their common centre of mass, as shown in figure. If…

A: Given: The distance between star 1 and the centre of mass is r1 The distance between star 2 and the…

Q: A body revolves around a star of mass M along an elliptic orbit. At the moment when its distance to…

A: Let e be defined as the eccentricity of the orbit. Therefore, v=GM1+er-v2=GM1+er-v2rGM-1=e Here, v…

Q: Two earth satellites are in parallel orbits with radii 6900 km and 6901 km . One day they pass each…

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Q: The figure shows a spherical hollow inside a lead sphere of radius R = 4.3 m; the surface of the…

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Q: (a) Suppose that your measured weight at the equator is one-half your measured weight at the pole on…

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Q: The largest moon in the solar system is Ganymede, a moon of Jupiter. Ganymede orbits at a distance…

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Q: It is believed that there is a black hole with a mass of approximately four million times the mass…

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Q: 008 10.0 points An earth satellite remains in orbit at a distance of 6152 km from the center of the…

A:

Q: Astronomers have observed a small, massive object at the center of our Milky Way galaxy. A ring of…

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Q: Astronomers have observed a small, massive object at the center of our Milky Way galaxy . A ring of…

A: Part (a) Given: The diameter of the object is d=15 ly. The speed of the object is v=200 km/s. The…

Q: Astronomers discover a distant star with a planet that orbits it in a 2.3 x 10¹1 m radius circle.…

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Q: Around 2.5 centuries ago, several physicists of the time came up with the notion of a dark star.…

A: Escape velocity is the minimum velocity required for an object to escape from the gravitational…

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

A: Solution:   Given Values, Orbital speed of first planet (v1)=36.8 Km/s =36.8×103 m/sOrbital speed…

Q: Asteroids are believed to be material that never collected into a planet. An asteroid has a period…

A: Using Kepler's third law of motion                                    .................(1)   Where T…

Q: A planet has a mass of 5.98 x 10²4 kg. It has an average orbital speed of 2.978 x 104 m/s as it…

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Q: A planet is in an elliptical orbit around a distant star. At periastron (the point of closest…

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

A: Given , Orbital speed of planets are 37.4 km/s and 51.8 km/s  Time period of slower planet is 6.05…

Q: Astronomical observations of our Milky Way galaxy indicate that it has a mas the galaxy's periphery…

A: Given:- The mass of the milky way galaxy  is m = 8 x 1011 solar masses  The star orbiting near the…

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Q: On July 15,2004,NaDa lunch the aura spacecraft(mass is 2970kg) to study the earth climate and…

A: Given, h=705km

Q: A  satellite is placed in orbit about a planet that has a radius of 6 x 106 m, mass = 6 x 1024 kg.…

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Q: AU is a unit of distance. If the orbital speed of Earth at aphelion is v, what is the orbital speed…

A: Angular momentum of earth about sun is conserved which means that at any point in the path of earth…

Q: In a certain binary-star system, each star has the same mass which is 8.5 times of that of the Sun,…

A: GIVEN :                Mass of star = M = 8.5 x mass of sun                distance between stars =…

Q: A meteor of mass m is approaching earth as shown on the sketch. The distance h on the sketch below…

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Q: Stars and black holes in a binary system orbit each other in circular orbits of radius r1 and r2…

A: mass of an orbital m= 1.98x1030 kg v1 =5.36 times faster than our Sun T=30 hours r1=?,r2=?m2=?

Q: NOTE: Your answer suggests that you have assumed constant gravitational

A: Explained as, F=-GMMR+y2

Q: Let's assume that the planet was originally orbiting around something with the mass of our Sun (and…

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Q: An 800 kg satellite orbits around Earth and take one day for one complete orbit. Earth has a radius…

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Q: (a) An exoplanet is in an elliptical orbit around a distant star. At its closest approach, the…

A: A) Let the mass of exoplanet = M Distance of closest approach (a) = 0.69 AU Speed at closest…

Q: Two planets P, and P, orbit around a star S in circular orbits with speeds v, = 44.4 km/s, and v,…

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Q: The Moon exerts a torque on Earth's tidal bulge.  Although the tides are raised in part by the Moon…

A: Torque or the moment of the force is the measure of the force that will cause an object to rotate…

Q: Hi please help: An earth satellite remains in orbit at a distance of 1.7900x10^4 km from the center…

A: The gravitational force of attraction between two bodies is given as:F=GM1M2r2whereG is universal…

Q: Three uniform spheres of masses m₁ = 3.00 kg, m₂ = 4.00 kg, and m3 = 5.00 kg are placed at the…

A: FINAL ANSWER:      Resultant gravitational force on the object of mass m2 is 8.34×10^-11i…

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

A: The orbital speed of the first planet, v1=44.6 km/s=44.6×103 m/s The orbital period of the first…

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.