18. The height (feet) of an object moving vertically is given by s =- 16t + 112t+84, where t is in seconds. Find the object's velocity at t=0, its maximum height and when it occurs, and its velocity when s=0. The velocity of the object at t=0 seconds is (Simplify your answer. Type an integer or a decimal.) The maximum height occurs at t= (Simplify your answer. Type an integer or a decimal.) The maximum height is (Simplify your answer. Type an integer or a decimal.) ft/second. seconds. feet. feet/second. The velocity when s=0 is (Round to the nearest hundredth.)

18. The height (feet) of an object moving vertically is given by s =- 16t + 112t+84, where t is in seconds. Find the object's velocity at t=0, its maximum height and when it occurs, and its velocity when s=0. The velocity of the object at t=0 seconds is (Simplify your answer. Type an integer or a decimal.) The maximum height occurs at t= (Simplify your answer. Type an integer or a decimal.) The maximum height is (Simplify your answer. Type an integer or a decimal.) ft/second. seconds. feet. feet/second. The velocity when s=0 is (Round to the nearest hundredth.)

Physics for Scientists and Engineers with Modern Physics

10th Edition

ISBN:9781337553292

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter3: Vectors

Section: Chapter Questions

Problem 35AP: A person going for a walk follows the path shown in Figure P3.35. The total trip consists of four...

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