Asked by Jannia
Now your bicycle wheel is rotating with an angular speed of 43.8 rad/s. The wheel has a mass of 4.9 kg and a radius of 48.6 cm. Treat the wheel as a solid thin disc.
(a)
Calculate the rotational kinetic energy of the wheel in J.
(b)
Calculate the angular speed the wheel must have if its rotational kinetic energy is doubled, in rad/s.
(a)
Calculate the rotational kinetic energy of the wheel in J.
(b)
Calculate the angular speed the wheel must have if its rotational kinetic energy is doubled, in rad/s.
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