[填空题]
Model a figure skaterf-)9 jozmwn2 c’s body as a 7(g 8qola)dbj solid cylinder and her arms as thin rods, making reasonable estiqo8la d7)(gjbmates for the dimensions. Then calculate the ratio of the angular speeds for a spinning skater with outstretched arms, and with arms held tightly against her body.
Post time 2025-2-18 20:00:22
