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Description: In 2.5 s, a car increases its speed from 20.0m/s to 25.0m/s. What is the accelerationof the car?5 m/s?-1. 79 m/s?2O1.79 m/s²O2 m/s?

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In 2.5 s, a car increases its speed from 20.0m/s to 25.0m/s. What is the acceleration of the car? 5 m/s² О-1.79 т/s? 1. 79 m/s² O2 m/s?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Displacement, Velocity and Acceleration

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, for example, from side to side or up and down. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Linear displacement is usually measured in millimeters or inches and may be positive or negative.

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Question

In 2.5 s, a car increases its speed from 20.0m/s to 25.0m/s. What is the acceleration
of the car?
5 m/s?
-1. 79 m/s?
2
O1.79 m/s²
O2 m/s?

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