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.
When a fan is turned off, its angular speed decreases from 168 rpm to 64.0 rpm in 6.08 s.
A) what is the angukar acceleration of the fan?
B) How fast the edges of the blades are moving (in m/s) at time 6.08 s, if they are 86.0 cm long?
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