Answered: How do we define the time interval of…

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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How do we define the time interval of one "second" now, and keep track of elapsed time accurately enough to navigate spacecraft through the solar system, or place you on Earth with a GPS receiver?

What place in space is our absolute reference point from which we measure distances in physics?

If I climb a ladder more than a few feet I am clearly in danger if I fall. Being foolish, I think I can react fast enough to not hit the ground hard if I have more than 1 second to react. How high would that be when a fall to the ground takes 1 second? Hint: The distance of fall is (1/2) a t², where a is the acceleration of a falling body and near Earth it is about 10 m/s² for anything.

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