Physics, 10.11.2020 05:40, Simplytaylorgrenade

A wheel with radius r rotates freely about its axle with initial angular speed ωi. A point on the wheel's rim moves at linear speed v. Suddenly, the wheel accelerates so the point moves at linear speed 3v. The final angular speed is ωf.
How does the angular speed of the wheel change?

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A wheel with radius r rotates freely about its axle with initial angular speed ωi. A point on the wh...