A bicycle wheel is being tested at a repair shop. The angular velocity of the wheel is 4.00 rad/s at time t = 0, and its angular acceleration is constant and equal to -1.20 rad/s2. A spoke OP on the wheel coincides with the + x-axis at time t = 0 (See drawing). What is the wheel’s angular velocity at t = 3.00 s? What angle does the spoke OP make with the + x-axis at this time?
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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A bicycle wheel is being tested at a repair shop. The
angular velocity of the wheel is 4.00 rad/s at time t = 0, and itsangular acceleration is constant and equal to -1.20 rad/s2. A spoke OP on the wheel coincides with the + x-axis at time t = 0 (See drawing).-
What is the wheel’s angular velocity at t = 3.00 s?
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What angle does the spoke OP make with the + x-axis at this time?
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