A diver comes off a board with arms straight up and legs straight down, giving her a rotational inertia about her rotation axis of 16.0 kg m2. She then tucks into a small ball, decreasing her rotational inertia to 3.60 kg m2. While tucked she makes two and a half revolutions in 1.20 seconds to complete her dive. If she hadn't tucked, how long would one rotation have taken her? (Give your answer in seconds.)

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College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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A diver comes off a board with arms straight up and legs straight down, giving her a rotational inertia about her rotation axis of 16.0 kg m². She then tucks into a small ball, decreasing her rotational inertia to 3.60 kg m². While tucked she makes two and a half revolutions in 1.20 seconds to complete her dive. If she hadn't tucked, how long would one rotation have taken her? (Give your answer in seconds.)

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