Which pairs give a negative displacement: (a) -3 m, +5 m; (b) -3 m, -7 m; (c) 7 m, -3 m?
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1
Measurements
2
Motion along a straight line
3
Vectors
4
Motion in two and three Dimensions
5
Force and motion
6
Force and motion 2
7
Kinetic energy and work
8
Potential energy and conservation of energy
9
Center of mass and linear momentum
10
Rotation
11
Rolling,Torque and Angular Momentum
12
Equilibrium and Elasticity
13
Gravitation
14
Fluids
15
Oscillations
16
Waves-I
17
Waves-II
18
Temperature,Heat and the First LAw of Thermodynamics
19
The kenetic theory of Gases
20
Entropy and the Second Law of Thermodynamics
21
Electric Charge
22
Electric Fields
23
Gauss' Laws
24
Electric Potential
25
Capacitance
26
Current and Resistance
27
Circuits
28
Magnetic Fields
29
Magnetic Fields Due to Currents
30
Induction and Inductance
31
Electromagnetic Oscillations and Alternating Current
32
Maxwell's Equations:Magnetism of Matter
33
Electromagnetic Waves
34
Images
35
Interference
36
Diffraction
37
Relativity
Textbook Solutions for Fundamentals of Physics
Chapter 2 Problem 2
Question
Compute your average velocity in the following two cases:
(a) You walk 73.2 m at a speed of 1.22 m/s and then run 73.2 m at a speed of 3.05 m/s along a straight track.
(b) You walk for 1.00 min at a speed of 1.22 m/s and then run for 1.00 min at 3.05 m/s along a straight track.
(c) Graph x versus t for both cases and indicate how the average velocity is found on the graph.
Solution
The first step in solving 2 problem number 1 trying to solve the problem we have to refer to the textbook question: Compute your average velocity in the following two cases:(a) You walk 73.2 m at a speed of 1.22 m/s and then run 73.2 m at a speed of 3.05 m/s along a straight track.(b) You walk for 1.00 min at a speed of 1.22 m/s and then run for 1.00 min at 3.05 m/s along a straight track.(c) Graph x versus t for both cases and indicate how the average velocity is found on the graph.
From the textbook chapter Motion along a straight line you will find a few key concepts needed to solve this.
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full solution
full solution
Title
Fundamentals of Physics 9
Author
David Halliday, Robert Resnick, Jearl Walker
ISBN
9780470469118
Which pairs give a negative displacement: (a) -3 m, +5 m; (b) -3 m, -7 m; (c) 7 m, -3 m?
Chapter 2 textbook questions
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Chapter 2: Problem 2 Fundamentals of Physics 9