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AP Physics C: Mechanics 5.1 A Describe the Rotation of a System with Respect to Time Using Angular Displacement Angular Velocity and Angular Questions

Represent rotation over time by relating angular displacement, velocity and acceleration, applying calculus or constant-acceleration equations, and interpreting motion graphs.

Syllabus
Effective Fall 2024
Course
AP Physics C: Mechanics

Exam points

  • differentiate angular position twice to obtain angular velocity and angular acceleration
  • apply constant-angular-acceleration relations with initial conditions to calculate motion
  • sketch angular-speed graphs from initial values, monotonic change, curvature or decay

AP Physics C: Mechanics 5.1 A Describe the Rotation of a System with Respect to Time Using Angular Displacement Angular Velocity and Angular Questions question 1

[Maximum number: 2]

A wind turbine includes a three-blade system that rotates about an axis through the end of each blade, as shown in Figure 1. Each blade has a length L and mass M, with a center of mass located at a distance L3\frac{L}{3} from the axis of rotation, as shown in Figure 2.

On the graph in Figure 4, sketch the angular speed of the second three-blade system as a function of time t.

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