The Gravitron is a ride that rotates around a central axis until it reaches a certain velocity and the riders are pinned to the walls. Once this occurs, the floor is lowered until the riders are suspended above the floor. The Gravitron has a radius of 3.00 meters and reaches a speed of 15.0 m/s. Dalnita has a mass of 55.0 kg. What is her angular velocity in radians per second?

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Physics

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9 December, 12:21

The Gravitron is a ride that rotates around a central axis until it reaches a certain velocity and the riders are pinned to the walls. Once this occurs, the floor is lowered until the riders are suspended above the floor. The Gravitron has a radius of 3.00 meters and reaches a speed of 15.0 m/s. Dalnita has a mass of 55.0 kg. What is her angular velocity in radians per second?

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Keaton Juarez · Answer 1

Sounds like you've been given some unnecessary information.

The linear velocity "v" and angular velocity "w" of something in circular motion of radius "R" are related as;

v = Rw

You are given v = 15 m/s and R = 3 m, so just solve for "w".