The accompanying figure shows the velocity v= f(t) of a particle moving on a coordinate line.When does the particle move forward? move backward? speed up? slow down?(a)(b)When is the particle's acceleration positive? negative? zero?(c)When does the particle move at its greatest speed?(d)When does the particle stand still for more than an instant?t (sec)40(a) When does the particle move forward?(Type an equation or a compound inequality. Type an expression using t as the variable. Usecomma to separate answers as needed.)When does the particle move backward?(Type an equation or a compound inequality. Type an expression using t as the variable. Usecomma to separate answers as needed.)When does the particle speed up?(Type an equation or a compound inequality. Type an expression using t as the variable. Usecomma to separate answers as needed.)When does the particle slow down?(Type an equation or a compound inequality. Type an expression using t as the variable. Use a comma to separate answers as needed.)(b) When is the particle's acceleration positive?(Type an equation or a compound inequality. Type an expression using t as the variable. Use a comma to separate answers as needed.)When is the particle's acceleration negative?(Type an equation or a compound inequality. Type an expression using t as the variable. Use a comma to separate answers as needed.)When is the particle's acceleration zero?(Type an equation or a compound inequality. Type an expression using t as the variable. Use a comma to separate answers as needed.)(c) When does the particle move at its greatest speed?(Type an equation or a compound inequality. Type an expression using t as the variable. Use a comma to separate answers as needed.)(d) When does the particle stand still for more than an instant?(Type an equation or a compound inequality. Type an expression using t as the variable. Use a comma to separate answers as needed.)

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Description: The accompanying figure shows the velocity v= f(t) of a particle moving on a coordinate line.When does the particle move forward? move backward? speed up? slow down?(a)(b)When is the particle's acceleration positive? negative? zero?(c)When does the

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The accompanying figure shows the velocity v = f(t) of a particle moving on a coordinate line. (a) When does the particle move forward? move backward? speed up? slow down? (b) When is the particle's acceleration positive? negative? zero? (c) When does the particle move at its greatest speed? (d) When does the particle stand still for more than an instant? t (sec) 40

The accompanying figure shows the velocity v = f(t) of a particle moving on a coordinate line. (a) When does the particle move forward? move backward? speed up? slow down? (b) When is the particle's acceleration positive? negative? zero? (c) When does the particle move at its greatest speed? (d) When does the particle stand still for more than an instant? t (sec) 40

College Physics

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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

The accompanying figure shows the velocity v= f(t) of a particle moving on a coordinate line.
When does the particle move forward? move backward? speed up? slow down?
(a)
(b)
When is the particle's acceleration positive? negative? zero?
(c)
When does the particle move at its greatest speed?
(d)
When does the particle stand still for more than an instant?
t (sec)
40
(a) When does the particle move forward?
(Type an equation or a compound inequality. Type an expression using t as the variable. Use
comma to separate answers as needed.)
When does the particle move backward?
(Type an equation or a compound inequality. Type an expression using t as the variable. Use
comma to separate answers as needed.)
When does the particle speed up?
(Type an equation or a compound inequality. Type an expression using t as the variable. Use
comma to separate answers as needed.)
When does the particle slow down?
(Type an equation or a compound inequality. Type an expression using t as the variable. Use a comma to separate answers as needed.)
(b) When is the particle's acceleration positive?
(Type an equation or a compound inequality. Type an expression using t as the variable. Use a comma to separate answers as needed.)
When is the particle's acceleration negative?
(Type an equation or a compound inequality. Type an expression using t as the variable. Use a comma to separate answers as needed.)
When is the particle's acceleration zero?
(Type an equation or a compound inequality. Type an expression using t as the variable. Use a comma to separate answers as needed.)
(c) When does the particle move at its greatest speed?
(Type an equation or a compound inequality. Type an expression using t as the variable. Use a comma to separate answers as needed.)
(d) When does the particle stand still for more than an instant?
(Type an equation or a compound inequality. Type an expression using t as the variable. Use a comma to separate answers as needed.)

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