1st Edition

ISBN: 9780130970695

Author: Peter S. Shaffer, Lillian C. McDermott

Publisher: Addison Wesley

Concept explainers

In classical mechanics, kinematics deals with the motion of a particle. It deals only with the position, velocity, acceleration, and displacement of a particle. It has no concern about the source of motion.

Linear Displacement

The term "displacement" refers to when something shifts away from its original "location," and "linear" refers to a straight line. As a result, “Linear Displacement” can be described as the movement of an object in a straight line along a single axis, fo…

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Textbook Question

Chapter 15.5, Problem 2cTH

The relationship v → c a r , c o n e = v → c a r , t r u c k + v → t r u c k , c o n e is known as the Galilean transformation of velocities. Explain how this relation is consistent with your result above for the displacements.
Does this relationship apply to the instantaneous velocities at instant 2? At instant 3? Explain.

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Chapter 15.5, Problem 2bTH

Chapter 15.5, Problem 3aTH

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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 15 Solutions

Tutorials in Introductory Physics

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