Bundle: Inquiry into Physics, Loose-Leaf Version, 8th + WebAssign Printed Access Card for Ostdiek/Bord's Inquiry into Physics, 8th Edition, Single-Term

8th Edition

ISBN: 9781337605038

Author: Vern J. Ostdiek, Donald J. Bord

Publisher: Cengage Learning

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Chapter 1, Problem 6Q

(Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.)

Scenes in films or television programs sometimes show people jumping off moving trains and having unpleasant encounters with the ground. If someone is on a moving flatbed train car and wishes to jump off, how could the person use the concept of relative speed to make a safer dismount?

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Part C Find the height yi from which the rock was launched. Express your answer in meters to three significant figures. Learning Goal: To practice Problem-Solving Strategy 4.1 for projectile motion problems. A rock thrown with speed 12.0 m/s and launch angle 30.0 ∘ (above the horizontal) travels a horizontal distance of d = 19.0 m before hitting the ground. From what height was the rock thrown? Use the value g = 9.800 m/s2 for the free-fall acceleration. PROBLEM-SOLVING STRATEGY 4.1 Projectile motion problems MODEL: Is it reasonable to ignore air resistance? If so, use the projectile motion model. VISUALIZE: Establish a coordinate system with the x-axis horizontal and the y-axis vertical. Define symbols and identify what the problem is trying to find. For a launch at angle θ, the initial velocity components are vix=v0cosθ and viy=v0sinθ. SOLVE: The acceleration is known: ax=0 and ay=−g. Thus, the problem becomes one of…

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Chapter 1 Solutions

Bundle: Inquiry into Physics, Loose-Leaf Version, 8th + WebAssign Printed Access Card for Ostdiek/Bord's Inquiry into Physics, 8th Edition, Single-Term

Ch. 1 - The original “clock” used to define the length of...Ch. 1 - What is a leap second, and why w it introduced...Ch. 1 - To what extent was Aristotle’s model of falling...Ch. 1 - Describe two major discoveries or contributions...Ch. 1 - Consider Concept Map 1,1, which provides an...Ch. 1 - Prob. 2MIO Ch. 1 - (Indicates a review question, which means it...Ch. 1 - (Indicates a review question, which means it...Ch. 1 - (Indicates a review question, which means it...Ch. 1 - (Indicates a review question, which means it...

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Solution Summary: The author explains how relative speed can be used for safe landing on the ground from a moving flatbed train car.

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