An ice skater with a moment of inertia of 15 kg m2 spinning at 11 rad/s extends her arms, thereby changing her moment of inertia to 26 kg m2. Find the new angular velocity.
Angular speed, acceleration and displacement
Angular acceleration is defined as the rate of change in angular velocity with respect to time. It has both magnitude and direction. So, it is a vector quantity.
Angular Position
Before diving into angular position, one should understand the basics of position and its importance along with usage in day-to-day life. When one talks of position, it’s always relative with respect to some other object. For example, position of earth with respect to sun, position of school with respect to house, etc. Angular position is the rotational analogue of linear position.
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An ice skater with a moment of inertia of 15 kg m2 spinning at 11 rad/s extends her arms, thereby changing her moment of inertia to 26 kg m2. Find the new
Hint: conserve
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