In which one of the following situations does the car have a westward acceleration? (A) The car travels westward and slows down. (B The car travels eastward and speeds up. C The car travels westward at constant speed. D) The car travels eastward and slows down.

In which one of the following situations does the car have a westward acceleration? (A) The car travels westward and slows down. (B The car travels eastward and speeds up. C The car travels westward at constant speed. D) The car travels eastward and slows down.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter2: Motion In One Dimension

Section2.5: Motion Diagrams

Problem 2.5QQ: Which of the following statements is true? (a) If a car is traveling eastward, its acceleration must...

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Concept explainers

Relative Velocity

It is a measurement of an object with regards to the other object which is moving or stable or stationary. For example, if we are traveling in a bus and the bus is moving at speed of 50km/hr, then our speed is according to the nearby passenger on the bus is zero. According to them, we are not moving. But if one person standing on the ground or road observes us from outside of the bus, according to him we are moving at a speed of 50km/hr and the bus is also moving at a speed of 50km/hr. Now, the motion is recognized by the observer, it depends on a frame of reference or observer. This is motion called relative motion.

Question

In which one of the following situations does the car have a westward acceleration?
(A) The car travels westward and slows down.
(B The car travels eastward and speeds up.
c) The car travels westward at constant speed.
(D The car travels eastward and slows down.

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