During a tennis serve, a racket is given an angular acceleration of magnitude 135 rad/s2. At the top of the serve, the racket has an angular speed of 18 rad/s. If the distance between the top of the racket and the shoulder is 1.2 m, find the magnitude of the total acceleration of the top of the racket.
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.
During a tennis serve, a racket is given an
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