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The law of conversation of angular momentum.

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When a star collapses does it spin faster?

Yes, when a star collapses, its rotation rate can increase due to the conservation of angular momentum. As the star contracts and its radius decreases, its rotational speed can increase such that it spins faster.


What is the rotation rate at the equator of the sun?

The rotation rate at the equator of the Sun is approximately 25 days, meaning that it takes about 25 days for the Sun to complete one full rotation at its equator.


What is the relationship between the length of a planet's day and the rate of planet's rotation?

The length of a planet's day is directly related to its rate of rotation on its axis. A faster rate of rotation results in a shorter day, while a slower rate of rotation leads to a longer day. This relationship is determined by the planet's mass and distribution of mass.


How do you increase the angular velocity of a rotating object?

Angular velocity just means how fast it's rotating. If youaa want more angular velocity, just rotate it faster or decrease the radius (move it closer to the center of rotation). Just like force = rate of change of momentum, you have torque= rate of change of angular moment Or We can increase the angular velocity of a rotating particle by applying a tangential force(i.e. accelaration) on the particle. Since the velocity of the particle is tangential with the circle along which it is moving, the tangential accelaration will not change the diriction of the velocity(as angle is 0),but will cause a change in magnitude. Thus angular velocity will increase.


How does the idea of a Rotating disk in the nebular model explain certain observed celestial phenomena?

It is believed that a large cloud of dust and gas which rotated slowly, began to contract because gravitational forces. Rotation increased causing a bulge in the center. At its end stages the mass of gases that gathered in the center created the sun with the planets forming from the bulge.

Related Questions

What happens to the rotation of a molecular cloud as it collapses to form a star?

The rotation of a molecular cloud tends to increase as it collapses to form a star due to the conservation of angular momentum. This rotation can lead to the formation of a protostellar disk around the young star, influencing the subsequent evolution of the star and potentially contributing to the formation of planetary systems.


What is an angular velocity scalar or vector?

Angular velocity is a vector quantity that describes the rate of rotation of an object about an axis. It has both magnitude (how fast the object is rotating) and direction (the axis of rotation). Scalar angular velocity only considers the magnitude of the rotation rate without specifying the direction.


Why don't you feel movement when the earth is rotating?

You do not feel the Earth's rotation because its speed is constant and your body is moving along with it. Since you and everything around you are rotating at the same rate, there is no relative motion to cause a feeling of movement. Additionally, the Earth's rotation is very gradual, completing one full rotation every 24 hours.


What is constant angular speed?

Constant angular speed means that an object is rotating at a steady rate, moving through equal angles in equal time intervals. This means that the object's angular velocity, or rate of rotation, remains the same over time.


The coriolis effect is caused by Earth's?

rotation. As the Earth spins on its axis, the Coriolis effect causes moving objects to be deflected to the right in the Northern Hemisphere and to the left in the Southern Hemisphere. This phenomenon is responsible for the rotation of weather systems and ocean currents on Earth.


When a star collapses does it spin faster?

Yes, when a star collapses, its rotation rate can increase due to the conservation of angular momentum. As the star contracts and its radius decreases, its rotational speed can increase such that it spins faster.


What is the sun's rotation rate specifically the difference between rotation at the poles and the equator?

The is a huge ball of plasma. It's a nuclear fission machine, and because plasma, which is superheated material, is a fluid, the sun is like a rotating ball of something like thick pancake batter. Because its a ball of fluid, it acts like a fluid (big surprise), and it had developed a differential rotation. The equator has a rotation rate of about once every 25.05 earth days, and the rate at the poles is about once every 34.3 earth days. Should you wish more information or if you want to check data, use the link provided below.


What is the rotation rate at the equator of the sun?

The rotation rate at the equator of the Sun is approximately 25 days, meaning that it takes about 25 days for the Sun to complete one full rotation at its equator.


What planet in your solar system has the fastest rotation rate?

Jupiter has the fastest rotation rate of any planet in our solar system, completing a full rotation on its axis in about 9.9 hours.


How can one determine the angular momentum of a rotating object and what is the process for finding angular momentum?

To determine the angular momentum of a rotating object, you multiply the object's moment of inertia by its angular velocity. The moment of inertia is a measure of how mass is distributed around the axis of rotation, and the angular velocity is the rate at which the object is rotating. The formula for angular momentum is L I, where L is the angular momentum, I is the moment of inertia, and is the angular velocity.


What is the relationship between the length of a planet's day and the rate of planet's rotation?

The length of a planet's day is directly related to its rate of rotation on its axis. A faster rate of rotation results in a shorter day, while a slower rate of rotation leads to a longer day. This relationship is determined by the planet's mass and distribution of mass.


What is rotation motion?

Rotation motion occurs when an object spins around an axis, causing it to move in a circular path. This type of motion is commonly observed in objects such as wheels, planets, and rotating machinery. Rotation motion can be described in terms of angular velocity, which measures the rate of rotation.