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  2. Why is angular velocity perpendicular to the plane of rotation?

    www.physicsforums.com/threads/why-is-angular-velocity-perpendicular-to-the...

    Angular velocity is defined as the rate of change of angular displacement, which is the measure of how much an object rotates in a given time. Since angular displacement is a vector quantity, it has both magnitude and direction. Therefore, angular velocity is also a vector quantity and its direction is perpendicular to the plane of rotation.

  3. Difference between angular velocity and angular frequency -...

    www.physicsforums.com/threads/difference-between-angular-velocity-and-angular...

    The angular velocity is the instantaneous rate of change of the angular displacement where the angular speed is just the magnitude of angular velocity. Definition. Angular frequency is the speed with which the rotation covers the whole cycle for a given period.

  4. Understanding Angular Velocity: W = 2pi(f) - Physics Forums

    www.physicsforums.com/threads/understanding-angular-velocity-w-2pi-f.406889

    What is angular velocity? Angular velocity is a measure of how quickly an object rotates around a fixed axis. It is typically denoted by the symbol ω (omega) and is measured in radians per second (rad/s). How is angular velocity related to frequency? Angular velocity (ω) is equal to 2π times the frequency (f) of rotation. This relationship ...

  5. Relation Between Spring Constant and Angular Velocity - Physics...

    www.physicsforums.com/threads/relation-between-spring-constant-and-angular...

    ω = angular velocity in rad / s 2⋅π corresponds to one full rotation (2⋅π rad = 360°). If you want to know how many rotations are made in one second, you calculate ω / (2⋅π) = f with f = frequency in s-1.

  6. Angular velocity of a merry go round after a child has jumped...

    www.physicsforums.com/threads/angular-velocity-of-a-merry-go-round-after-a...

    The angular velocity will increase due to the added mass and the change in moment of inertia. What factors influence the change in angular velocity after a child jumps onto a merry go round? The change in angular velocity after a child jumps onto a merry go round depends on the mass of the child, the initial angular velocity of the merry go ...

  7. How to find angular velocity from torque? - Physics Forums

    www.physicsforums.com/threads/how-to-find-angular-velocity-from-torque.708963

    What is angular velocity? Angular velocity is a measure of the rate at which an object rotates around a fixed point. It is usually expressed in radians per second (rad/s) or revolutions per minute (rpm). How is angular velocity related to torque? Angular velocity and torque are related through the equation: angular velocity = torque / moment of ...

  8. A bullet hits a rod; find the angular velocity - Physics Forums

    www.physicsforums.com/threads/a-bullet-hits-a-rod-find-the-angular-velocity.684698

    Angular Angular velocity Bullet Rod Velocity In summary, we have a uniform rod of length L resting on a frictionless horizontal surface, pivoting about a fixed frictionless axis at one end. A bullet with a mass of one-fourth the mass of the rod strikes the center of the rod at a 90 degree angle and becomes embedded in it.

  9. How Do You Convert Angular Velocity to RPM? - Physics Forums

    www.physicsforums.com/threads/how-do-you-convert-angular-velocity-to-rpm.160175

    What is the formula for converting angular velocity to rpm? The formula for converting angular velocity (ω) to rpm is: rpm = ω * 60 / 2π. This formula is derived from the conversion factor of 60 seconds per minute and the fact that there are 2π radians in a full rotation (360 degrees). Can angular velocity be negative? Yes, angular velocity ...

  10. Bullet hits door, find angular velocity - Physics Forums

    www.physicsforums.com/threads/bullet-hits-door-find-angular-velocity.169086

    The formula for angular velocity is ω = v/r, where ω represents the angular velocity, v is the tangential velocity, and r is the distance from the center of rotation. In the case of a door being hit by a bullet, v and r can be calculated using the bullet's linear velocity and the distance from the impact point to the door's center.

  11. Merry-go-round. angular velocity - Physics Forums

    www.physicsforums.com/threads/merry-go-round-angular-velocity.394143

    What is angular velocity? Angular velocity is a measure of how fast an object is rotating around a fixed point, such as the center of a merry-go-round. It is typically measured in radians per second. How is angular velocity related to the speed of a merry-go-round? The angular velocity of a merry-go-round is directly related to its linear speed.