Approximately one billion years ago, the Moon orbited the Earth much closer that it does today. The radius of the orbit was only 24,400 km. Today, the radius is 385,000 km. The orbital period was only 23,400 s. The present period is 2.36 x 10^6 s. Assume the orbit of the Moon is circular. Calculate the ratio of the speed of the Moon in its ancient orbit to the speed that it has today.
Approximately one billion years ago, the Moon orbited the Earth much closer that it does today. The radius of the orbit was only 24,400 km. Today, the radius is 385,000 km. The orbital period was only 23,400 s. The present period is 2.36 x 10^6 s. Assume the orbit of the Moon is circular. Calculate the ratio of the speed of the Moon in its ancient orbit to the speed that it has today.
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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Approximately one billion years ago, the Moon orbited the Earth much closer that it does today. The radius of the orbit was only 24,400 km. Today, the radius is 385,000 km. The orbital period was only 23,400 s. The present period is 2.36 x 10^6 s. Assume the orbit of the Moon is circular. Calculate the ratio of the speed of the Moon in its ancient orbit to the speed that it has today.
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