A rock is thrown straight up into the air with an initial speed of 85 m/s at time t = 0. Ignore air resistance in this problem. At what times does it move with a speed of 13 m/s? Note: There are two answers to this problem.

A rock is thrown straight up into the air with an initial speed of 85 m/s at time t = 0. Ignore air resistance in this problem. At what times does it move with a speed of 13 m/s? Note: There are two answers to this problem.

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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Question

A rock is thrown straight up into the air with an initial speed of 85 m/s at time

t = 0.

Ignore air resistance in this problem. At what times does it move with a speed of 13 m/s? Note: There are two answers to this problem.

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