If you stop a spinning raw egg for the shortest possible instant and then release it, the egg will start spinning again. If you do the same to a hard-boiled egg, it will remain stopped. Try it. Explain it.
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Solution to 26DQ When a raw egg is stopped from spinning, the egg white will momentarily stop but the yolk inside will continue spinning in the same direction. Thus, the egg yolk has a kinetic energy and an angular momentum. When the egg is released i.e the external force is zero, thus the kinetic energy of the yolk will be transferred to the whole egg and the egg starts spinning again with less velocity. When a hard boiled egg is stopped from spinning, the whole egg stops since, it is a rigid body. The kinetic energy of the whole system will be zero and the angular momentum will become zero once it is stopped. When it is released, there is no kinetic energy remaining in the system, thus the hard boiled egg will not spin again until or unless an external force is applied to spin the egg again.
Textbook: University Physics
Author: Hugh D. Young, Roger A. Freedman
University Physics was written by and is associated to the ISBN: 9780321675460. This textbook survival guide was created for the textbook: University Physics, edition: 13. The answer to “If you stop a spinning raw egg for the shortest possible instant and then release it, the egg will start spinning again. If you do the same to a hard-boiled egg, it will remain stopped. Try it. Explain it.” is broken down into a number of easy to follow steps, and 39 words. Since the solution to 26DQ from 10 chapter was answered, more than 410 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 26DQ from chapter: 10 was answered by , our top Physics solution expert on 05/06/17, 06:07PM. This full solution covers the following key subjects: egg, spinning, remain, hard, instant. This expansive textbook survival guide covers 26 chapters, and 2929 solutions.