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A diver comes off a board with arms straight up and legs straight down, giving her a moment of inertia about her rotation axis of 21.5 kg. m2. She then tucks into a small ball, decreasing this moment of inertia to 3.30 kg. m2. While tucked, she makes two complete revolutions in 1.0 s. If she hadn't tucked at all, how many revolutions would she have made in the 1.30 s from board to water?

A diver comes off a board with arms straight up and legs straight down, giving her a moment of inertia about her rotation axis of 21.5 kg. m2. She then tucks into a small ball, decreasing this moment of inertia to 3.30 kg. m2. While tucked, she makes two complete revolutions in 1.0 s. If she hadn't tucked at all, how many revolutions would she have made in the 1.30 s from board to water?

College Physics
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 moment of inertia about her rotation axis of 21.5 kg. m2. She then tucks into a small ball, decreasing this moment of inertia to 3.30 kg. m2. While tucked, she makes two complete revolutions in 1.0 s. If she hadn't tucked at all, how many revolutions would she have made in the 1.30 s from board to water?
Transcribed Image Text:A diver comes off a board with arms straight up and legs straight down, giving her a moment of inertia about her rotation axis of 21.5 kg. m2. She then tucks into a small ball, decreasing this moment of inertia to 3.30 kg. m2. While tucked, she makes two complete revolutions in 1.0 s. If she hadn't tucked at all, how many revolutions would she have made in the 1.30 s from board to water?
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