2nd Edition

ISBN: 9780134601823

Author: ETKINA, Eugenia, Planinšič, G. (gorazd), Van Heuvelen, Alan

Publisher: Pearson,

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 2, Problem 20P

Light travels at a speed of 3.0 × 10 8

m/s in a vacuum. The approximate distance between Earth and the Sun is 150 × 10 6 km. How long does it take light to travel from the Sun to Earth? What are the margins within which you know the answer?

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Chapter 2, Problem 19P

Chapter 2, Problem 21P

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Chapter 2 Solutions

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Draw the...Ch. 2 - Peter is cycling along an 800-m straight stretch...Ch. 2 - In what reasonable ways can you represent or...Ch. 2 - What is the difference between speed and velocity?...Ch. 2 - 21. What physical quantities do we use to describe...Ch. 2 - 22. Devise stories describing each of the motions...Ch. 2 - 23. For each of the position-versus-time graphs in...Ch. 2 - Figure Q2.24 shows velocity-versus-time graphs for...Ch. 2 - Can an object have a nonzero velocity and zero...Ch. 2 - 26. Can an object at one instant of time have zero...Ch. 2 - 27. Your little sister has a battery-powered toy...Ch. 2 - You throw a ball upward. Your friend says that at...Ch. 2 - A car starts at rest from a stoplight and speeds...Ch. 2 - * You are an observer on the ground. (a) Draw two...Ch. 2 - 3. * A car is moving at constant speed on a...Ch. 2 - 4. * A hat falls off a man’s head and lands in the...Ch. 2 - 5 Figure P2.5 shows several displacement vectors...Ch. 2 - 6. Figure P.26 shows an incomplete motion diagram...Ch. 2 - 7. * You drive 100 Km east do some sightseeing and...Ch. 2 - * Choose an object or reference and a set of...Ch. 2 - The scalar x-component of a displacement vector...Ch. 2 - 10. * You recorded your position with respect to...Ch. 2 - * You need to determine the time interval (in...Ch. 2 - A speedometer reads 65 ml/h. (a) Use as many...Ch. 2 - 13. Convert the following record speeds so that...Ch. 2 - 15. * BIO A kidnapped banker looking through a...Ch. 2 - 16 * Some computer scanners scan documents by...Ch. 2 - 18. * Your friend’s pedometer shows that he took...Ch. 2 - During a hike, two friends were caught in a...Ch. 2 - 20. Light travels at a speed of m/s in a vacuum....Ch. 2 - 21. Proxima Centauri is light-years from Earth....Ch. 2 - * Spaceships traveling to other planets in the...Ch. 2 - 23. ** Figure P2.23 shows a velocity-versus-time...Ch. 2 - 24. * Table 2.9 shows position and time data for...Ch. 2 - 25. * Table 2.10 shows position and time data for...Ch. 2 - 26 * You are walking to your physics class at...Ch. 2 - * Gabriele enters an east-west straight bike path...Ch. 2 - * Jim is driving his car at 32 m/s (72 mi/h) along...Ch. 2 - 29. * You hike two-thirds of the way to the top or...Ch. 2 - 30. * Olympic champion swimmer Michael Phelps swam...Ch. 2 - 31. * A car makes a 100-Km trip. it travels the...Ch. 2 - * Jane and Bob see each other when 100m apart....Ch. 2 - 34. A car starts from rest and reaches the speed...Ch. 2 - A truck is traveling east at +16 m/s (a) The...Ch. 2 - 36. Bumper car collision on a bumper car ride,...Ch. 2 - A bus leaves an intersection accelerating at +2.0...Ch. 2 - A jogger is running at +4.0 m/s when a bus passes...Ch. 2 - 39. * The motion of a person as seen by another...Ch. 2 - While cycling at a speed of 10 m/s, a cyclist...Ch. 2 - * EST To his surprise, Daniel found that an egg...Ch. 2 - 42. BIO Squid propulsion Lolliguncula brevis squid...Ch. 2 - Dragster record on the desert In 1977, Kitty ONell...Ch. 2 - * Imagine that a sprinter accelerates from rest to...Ch. 2 - 45. ** Two runners are running next to each other...Ch. 2 - 46. * Meteorite hits car in 1992, a 14-kg...Ch. 2 - 47. BIO Froghopper jump A spittlebug called the...Ch. 2 - 48. Tennis serve The fastest server in women’s...Ch. 2 - 49. * Shot from a cannon in 1998, David...Ch. 2 - Col. John Stapps final sied run Col. 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