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23 Nov 2019
A yo-yo has a rotational inertia of 890 g.cm^2 and a mass of 165 g. Is axle radius is 4.2 mm, and its string is 135 cm long. The yo-yo rolls from rest down to the end of the string. What is the rotational kinetic energy when the yo-yo rolls down 85 cm?
A yo-yo has a rotational inertia of 890 g.cm^2 and a mass of 165 g. Is axle radius is 4.2 mm, and its string is 135 cm long. The yo-yo rolls from rest down to the end of the string. What is the rotational kinetic energy when the yo-yo rolls down 85 cm?
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Deanna HettingerLv2
23 Nov 2019