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What is the magnitude of the angular momentum of the 3.00kg 4.80-cm-diameter rotating disk in the figure figure 1?
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If a particle moves in circle with constant speed its angular momentum about the center of circle?
The angular momentum is a constant.
What is the angular momentum of the 2.6 kg 5.6 cm diameter rotating disk.?
Without knowing the angular speed, i.e. RPM or some such velocity, it is not possible to answer the question. Please restate the question, giving all of the required information.
What keeps a spinner spinning?
It is conservation of [angular] momentum.
If the torque of the rotational motion be zero then the constant quantity will be?
angular momentum
What is Planck's constant dimensionally equal to?
Planck's Constant is dimensionally equal to Angular Momentum. The unit is Joules second.
Do all rotating objects have angular momentum?
Rotating objects all have angular momentum.
What has angular momentum?
Anything that's spinning, rotating, tumbling, or traveling in a closed path around something else, has angular momentum.
What is the direction of angular momentum?
Angular momentum of a rotating particle is defined as the moment of the linear momentum of the particle about that axis.It is perpendicular to the plane of rotation and parallel to the axis of rotation.
Is the direction of angular velocity same as that of angular momentum when agular velocity is decreasing?
Yes, suppose a body is rotating anti-clockwise, then its angular velocity and angular momentum, at any moment are along axis of rotation in upward direction. And when body is rotating clockwise, its angular velocity and angular momentum are along axis of rotation in downward direction. This is regardless of the fact whether angular velocity of the body is increasing or decreasing.
When the rotational speed of a rotating system doubles its angular momentum?
Gets doubled
What is the law of inertia for rotating systems in terms of angular momentum?
An object or system of objects will maintain its angular momentum unless acted upon by an external net torque.
As a rotating cloud collapses its rate of rotation?
The law of conversation of angular momentum.
Can a body in translatory motion have angular momentum?
Yes. A nice example is a planet in orbit around the sun. Even if it were not rotating, it would have angular momentum on account of its curved, closed path.
What is angular momentum?
Angular momentum is an expression of an objects mass and rotational speed. Momentem is the velocity of an object times its mass, or how fast something is moving times how much it weighs. Therefore angular momentum is the objects mass times the angular velocity where angular velocity is how fast something is rotating expressed in terms like revolutions per minute or radians per second or degrees per second.
How a body can have angular momentum when it is moving in straight line?
If a body is moving in a straight line then it would have angular momentum about any point which is not along its line of motion. The magnitude of the angular momentum would be its velocity times the perpendicular distance between the line of motion and the point.
What makes the earth to rotate around the orbit?
The Earth condensed out of a rotating Solar Nebula, inheriting its angular momentum for the condensing cloud. The conservation of angular momentum allows the Earth to maintain its orbit.
Why is angular momentum used?
In the same way that objects in linear motion tend to remain that way, objects which are rotating tend to keep rotating. Thus, we need both linear and angular (rotational) motion.
