What are the masses of the two stars

Assignment Help Physics
Reference no: EM13536968

In an eclipsing spectroscopic binary system, the maximum radial velocities for the two components are 20 and 5 km/s. The orbit is circular, and the orbital period is 5 years. It takes .3 days from the start of the eclipse to the main minimum, which the lasts one day.

a) What are the masses of the two stars?

b) What are the radii of the two stars?

Reference no: EM13536968

Questions Cloud

What is the magnitude of the magnetic force : Three long, straight, parallel wires all lie in the yz plane and each carries a current of 20 A in the positive z direction. The two outer wires are each 4.0 cm from the center wire. What is the magnitude of the magnetic force on a 50-cm length of ei..
Moon exert on him at this altitude : An astronaut weighs 152 N on the surface of the moon. If the same astronaut orbits the moon at an altitude equal to the moons radius, what gravitational force does the moon exert on him at this altitude?
Results for some microbiologists : There are no results for some microbiologists recommend incubating this medium at 37 along with an uninoculated control and then transferring all tubes to the refrigerator prior to reading them, why might this be the preferred technique in some situa..
Consider a gas of hydrogen atoms : Consider a gas of hydrogen atoms...At what temperature will an equal number of atoms have electrons in the ground (n=1) state and in the second (n=3) excited state?
What are the masses of the two stars : In an eclipsing spectroscopic binary system, the maximum radial velocities for the two components are 20 and 5 km/s. The orbit is circular, and the orbital period is 5 years. It takes .3 days from the start of the eclipse to the main minimum, whic..
What is minimum speed of free electron-neutral sodium atom : A neutral sodium atom has an ionization potential of X=5.1eV. Sodium has mass number A=23. What is the minimum speed of a free electron that can ionize a sodium atom in the ground state?
The atmosphere of a planet absorbs : The atmosphere of a planet absorbs 50% of the light passing through it after the light has traveled 200 meters. Through how much atmosphere does the light travel before it is 99% absorbed?
What is the induced current in the coil : A 5-turn coil has square loops measuring 0.200 m along a side and a resistance of 3.00 ohms. It is placed in a magnetic field that makes an angle of 40.0° with the plane of each loop. The magnitude of this field varies with time according to B= 2.00t..
Current density inside long-solid-cylindrical wire of radius : The current density inside a long, solid, cylindrical wire of radius a is in the direction of the central axis and its magnitude varies with radial distance r from the axis according to J = br2, where b is a positive constant.

Reviews

Write a Review

Physics Questions & Answers

  Llustrate what is the tension in ropes a and b

The first sled is 30kg, connected with rope B to the second sled of mass 20 kg, connected with rope A to the first sled of mass 10 kg, which is being pulled by a rope of 137 N. Illustrate What is the tension in ropes A and B.

  What is the bright fringe separation

a double-slit arrangment prduce bright interference fringrs that are seprated by 2.60 mm when the wavelengt is 589nm. what is the bright fringe separation

  Compute fraction of the coppers electrons have been removed

A 45.0 g ball of copper has a net charge of 1.75 µC. What fraction of the copper's electrons have been removed

  What is the angular velocity of the bar

A 530.0g bird is flying horizontally at 2.20m/s, not paying much attention, when it suddenly flies into a stationary vertical bar, What is the angular velocity of the bar just after it is hit by the bird

  Find the energy gained by the electron

A photon of wavelength 4.28 x 10^-2 nm strikes a free electron and is scattered at an angle of 32.0 degrees from its original direction. find the energy gained by the electron

  What are the magnitude and direction of x and y

The wind blows with a force of 425N north on a sail boat, while the water exerts a force of 325N west on the sailboat. Find out the magnitude and direction of the net external force on the sailboat.

  Calculate the speeders speed with respect to the ground

A speeder is pulling directly away and increasing his distance from a police car that is moving at 23 m/s with respect to the ground. Find the speeder's speed with respect to the ground

  How far from mulberry road did it start

A car travels along a straight east-west road. A coordinate system is established on the road, how far from Mulberry Road did it start

  Determine how long the sheaf is airborne

One of the events in the Scottish Highland Games is the sheaf toss, in which a 7.92-kg bag of hay is tossed straight up into the air using a pitchfork. Using the total impulse produced by gravity, determine how long the sheaf is airborne

  Find the temperature of the well water

The water in a deep underground well is used as the cold reservoir of a Carnot heat pump that maintains the temperature of a house at 296 K. Determine the temperature of the well water

  Find the ideal mechanical advantage of this incline plane

A man pushes a heavy box up a plank inclined at an angle of 30. Calculate the ideal mechanical advantage of this incline plane

  What is a suitable speed operating at high efficiency

if a hydroelectric facility is to produce 100 000 hp with an elevation difference of 300 ft, what is a suitable speed (in rpm) if a kaplan turbine, operating at high efficiency, is used

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd