A 0.26-kg rock is thrown vertically upward from the top of a cliff that is 15 m high. When it hits the ground at the base of the cliff, the rock has a speed of 29 m/s. Assuming that air resistance can be ignored, find the initial speed of the rock. A. 23 m/s B. 24 m/s C. 0.37 m/s D. 0.44 m/s E. 0.83 m/s

A 0.26-kg rock is thrown vertically upward from the top of a cliff that is 15 m high. When it hits the ground at the base of the cliff, the rock has a speed of 29 m/s. Assuming that air resistance can be ignored, find the initial speed of the rock. A. 23 m/s B. 24 m/s C. 0.37 m/s D. 0.44 m/s E. 0.83 m/s

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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