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Can centre of mass of a body can exist at point where there is no mass of the object?
Yes. For example, the center of mass of a hollow sphere would be at the empty center of that sphere.
What is the point in an object that moves as if all the objects mass were concentrated at that point?
The point is called the center of mass. It simplifies complex systems by allowing us to treat the system as a single point particle. This point moves under the influence of external forces as if all the mass of the system were located at that point.
The point at which all the object's mass seems to be concentrated?
The point at which an object's mass can be considered to be concentrated is called the center of mass. This point represents the average position of the mass in an object and is a useful concept in analyzing the motion of objects.
What is the centre of mass?
The center of mass is the point at which the mass of an object is evenly distributed in all directions. It is the average location of all the mass in the object. It is often referred to as the balancing point of an object.
What do you call the center of the mass of the body?
Center of mass is defined as the point about which the sum of mass moment vectors of all the points of the body is equal to zero.
What is used observationally to determine the age of a star cluster?
You cannot determine the age of a star based on it's luminosity or spectral class.However, you can make *assumptions*.OB and A stars are massive and will have a short lifespan in the millions of years.FG and K stars have a longer life period - in the billions of years.KMWLY and T stars are stars those that cause problems.Most stars in this class are red dwarfs, stars that are so low in mass that they have a low rate of nuclear fusion and last for tens of billions of years.In general - and I mean in general - a redder shift, should indicate an older star but you cannot use the HR- Diagram to determine this.
Which kinds of stars are most common in a newly formed star cluster?
In a newly formed star cluster, low-mass stars like red dwarfs are the most common. These stars are more abundant than more massive stars like giants or supergiants. The cluster will typically have a range of stellar masses, but low-mass stars dominate in numbers.
How do the numbers of low-mass stars compare with those of higher-mass stars in new star clusters?
In a newly formed star cluster stars with low masses must greaty out number stars with high masses. High mass stars are rare and low mass stars are extremely common.
What is a galactc cluster?
A galactic cluster is a collection of hundreds or even thousands of galaxies which are bound together by their gravity, each one containing billions of stars. The mass of a galactic cluster could be a quadrillion times the mass of the sun.
What is the high and low mass of the stars compared to the mass of our sun?
Stars are classified based on their mass, with low-mass stars typically having less than about 0.8 solar masses, while high-mass stars can exceed 8 solar masses. The sun has a mass of approximately 1 solar mass, serving as a reference point. Low-mass stars burn their fuel slowly and can have lifespans of billions of years, whereas high-mass stars burn quickly and may only last a few million years before ending their lives in supernovae.
2 stars orbiting a common center of gravity?
"Binary" stars were once considered rare, but we're discovering more and more of them. Typically, there's one very large star, with a smaller star orbiting around it, but there are a few binaries in which the two stars aren't all that different in mass.
What is A star that is gravitationally bound to another star can either be part of a star cluster or a star?
A star that is gravitationally bound to another star can either be part of a binary star system, where two stars orbit around a common center of mass, or be part of a star cluster, where multiple stars are held together by gravitational forces within a common region of space.
The H-R diagram of a young star cluster shows?
The H-R diagram of a young star cluster shows a main sequence stretching from upper left to lower right, where stars are fusing hydrogen in their cores. It also may include some young, pre-main sequence stars located above and to the right of the main sequence, which are still contracting and heating up. Additionally, there might be some high-mass, short-lived stars in the upper region of the diagram, and low-mass, long-lived stars in the lower region.
Do high mass stars or low mass stars have a faster rate of burning?
High mass stars have a faster rate of burning compared to low mass stars. This is because high mass stars have more gravitational pressure in their cores, leading to faster nuclear reactions and higher energy output. This results in a shorter lifespan for high mass stars compared to low mass stars.
What is a mass of stars called?
An isolated and distinct mass of stars is a galaxy.
What is the center of mass for binary stars?
The center of mass for binary stars, also known as the barycenter, is the point around which both stars orbit due to their gravitational attraction. It is located closer to the more massive star, but not necessarily at its center; the distance depends on their respective masses. For a binary system, the center of mass can be found using the formula (R = \frac{m_1}{m_1 + m_2} d), where (R) is the distance from the more massive star, (m_1) and (m_2) are the masses of the stars, and (d) is the distance between the two stars. The two stars will orbit this point, with their motions dictated by their masses and the gravitational forces between them.
What triggers nuclear fusion stars?
Fusion in stars are usually the result of gravity.Once a mass of hydrogen accumulates enough mass, the gravity of all that mass compresses the core of the star to the point that the hydrogen atoms there begin fusing into helium. The process then cascades outward, and the end result is a star.
