A binary star consist of two stars of the same mass m revolving in a circle of radius R about their common centre of mass. Suppose that a meteorite passes through the centre of mass of the binary star in a direction perpendicular to the orbital plane. What is the minimum speed that the meteorite must have at the centre of mass in order for it to escape from the gravitational attraction of the binary star? ANSW: 4Gm R w
A binary star consist of two stars of the same mass m revolving in a circle of radius R about their common centre of mass. Suppose that a meteorite passes through the centre of mass of the binary star in a direction perpendicular to the orbital plane. What is the minimum speed that the meteorite must have at the centre of mass in order for it to escape from the gravitational attraction of the binary star? ANSW: 4Gm R w
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Transcribed Image Text:A binary star consist of two stars of the same mass m revolving in a circle of radius R about their
common centre of mass. Suppose that a meteorite passes through the centre of mass of the binary
star in a direction perpendicular to the orbital plane. What is the minimum speed that the meteorite
must have at the centre of mass in order for it to escape from the gravitational attraction of the
binary star?
ANSW:
4Gm
R
w
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