An airliner arrives at the terminal, and the engines areshut off. The rotor of one of the engines has an initialclockwise angular speed of 2 000 rad/s. The engine’s rotation slows with an angular acceleration of magnitude 80.0 rad/s2. (a) Determine the angular speed after 10.0 s.(b) How long does it take the rotor to come to rest?
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.
An airliner arrives at the terminal, and the engines areshut off. The rotor of one of the engines has an initialclockwise angular speed of 2 000 rad/s. The engine’s rotation slows with an
80.0 rad/s2. (a) Determine the angular speed after 10.0 s.(b) How long does it take the rotor to come to rest?
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