Figure P2.9 shows a graph of v, versus t for the motion of a motorcyclist as he starts from rest and moves along the road in a straight line. (a) Find the average acceleration for the time interval t = 0 to t = 6.00 s. (b) Estimate the time at which the acceleration has its greatest positive value and the value of the acceleration at that instant. (c) When is the acceleration zero? (d) Estimate the maximum negative

Figure P2.9 shows a graph of v, versus t for the motion of a motorcyclist as he starts from rest and moves along the road in a straight line. (a) Find the average acceleration for the time interval t = 0 to t = 6.00 s. (b) Estimate the time at which the acceleration has its greatest positive value and the value of the acceleration at that instant. (c) When is the acceleration zero? (d) Estimate the maximum negative

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Description: 9. Figure P2.9 shows a graph of v, versus t for the motion ofa motorcyclist as he starts from rest and moves along theroad in a straight line. (a) Find the average acceleration forthe time interval t = 0 to t = 6.00 s. (b) Estimate the timeat which

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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9. Figure P2.9 shows a graph of v, versus t for the motion of
a motorcyclist as he starts from rest and moves along the
road in a straight line. (a) Find the average acceleration for
the time interval t = 0 to t = 6.00 s. (b) Estimate the time
at which the acceleration has its greatest positive value and
the value of the acceleration at that instant. (c) When is
the acceleration zero? (d) Estimate the maximum negative
value of the acceleration and the time at which it occurs.
Vx (m/s)
10
8
6.
4
4
6.
8
10
12° (s)
12
Figure P2.9

9. (a) 1.3 m/s² (b) t= 3 s, a = 2 m/s? (c) t= 6 s, t > 10 s
(d) a = -1.5 m/s², t= 8 s

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