College Physics (10th Edition)
10th Edition
ISBN: 9780321902788
Author: Hugh D. Young, Philip W. Adams, Raymond Joseph Chastain
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 2, Problem 5P
|| An object moves along the x axis. Figure 2.45 shows a graph of its position x as a function of time. (a) Find the average velocity of the object from points A to B , B to C, and A to C. (b) For the intervals in part (a), would the average speed be less than, equal to, or greater than the values you found in that part? Explain your reasoning.
Figure 2.45
Problem 5
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
12. || Figure P1.12 shows the motion diagram for a horse galloping in
one direction along a straight path. Not every dot is labeled, but
the dots are at equally spaced instants of time. What is the horse's
velocity
a. During the first 10 seconds of its gallop?
b. During the interval from 30 s to 40 s?
c. During the interval from 50 s to 70 s?
Figure P1.12
70 s
50
50 s 30 s
10 s
150 250 350 450
550
-x (m)
650
Consider an object moving along a line with the given velocity v. Assume time t is measured in secondsand velocities have units of m/s.a. Determine when the motion is in the positive direction and when it is in the negative direction.b. Find the displacement over the given interval.c. Find the distance traveled over the given interval.v(t) = 50e-2t on [0, 4]
Problem 2.04
7 of 20
10
8
6.
4 FB
A
OT 1 2 3 4 5 6
>t (s)
Part A
Find the average velocity of this object from point A to B.
Express your answer in meters per seconds to two significant figures.
?
m/s
Submit
Request Answer
Part B
Find the average velocity of this object from point B to C.
Express your answer in meters per seconds to two significant figures.
Vη ΑΣφ
?
m/s
Submit
Request Answer
Chapter 2 Solutions
College Physics (10th Edition)
Ch. 2 - A jogger runs due east along a straight jogging...Ch. 2 - Give an example or two in which the magnitude of...Ch. 2 - Under what conditions is average velocity equal to...Ch. 2 - If an automobile is traveling north, can it have...Ch. 2 - True or false? (a) If an objects average speed is...Ch. 2 - Is it possible for an object to be accelerating...Ch. 2 - A wind-up toy car is released from rest. It...Ch. 2 - Can an object with constant acceleration reverse...Ch. 2 - If the graph of the position of an object as a...Ch. 2 - If the graph of the position of an object as a...
Ch. 2 - If the graph of the velocity of an object as a...Ch. 2 - Figure 2.31 shows graphs of the positions of three...Ch. 2 - Figure 2.32 shows graphs of the velocities of...Ch. 2 - Figure 2.33 shows the graph of an objects position...Ch. 2 - Figure 2.3 shows the graph of an objects velocity...Ch. 2 - Figure 2.35 shows the position x of an object as a...Ch. 2 - Figure 2.36 shows the velocity of an object Ux as...Ch. 2 - A ball is dropped from rest from the top of a...Ch. 2 - Which of the following statements about average...Ch. 2 - A ball is thrown directly upward with a velocity...Ch. 2 - Two objects start at the same place at the same...Ch. 2 - An object starts from rest and accelerates...Ch. 2 - If a car moving at 80 mi/h takes 400 ft to stop...Ch. 2 - Figure 2.38 shows the velocity of a jogger as a...Ch. 2 - A certain airport runway of length L allows planes...Ch. 2 - A ball rolls off a horizontal shelf a height h...Ch. 2 - A frog leaps vertically into the air and...Ch. 2 - A cat runs in a straight line. Figure 2.39 shows a...Ch. 2 - A wildebeest is running in a straight line, which...Ch. 2 - A bullet is dropped into a river from a very high...Ch. 2 - An ant is crawling along a straight wire, which we...Ch. 2 - || A person is walking briskly in a straight line,...Ch. 2 - A dog runs from points A to B to C in 3.0 s. (See...Ch. 2 - || BIO Figure 2.44 shows the position of a moving...Ch. 2 - || An object moves along the x axis. Figure 2.45...Ch. 2 - || A boulder starting from rest rolls down a hill...Ch. 2 - || Each graph in Figure 2.47 shows the position of...Ch. 2 - Family trip. You and your family take a trip to...Ch. 2 - Hypersonic scramjet. On March 27, 2004, the United...Ch. 2 - Plate tectonics. The earths crust is broken up...Ch. 2 - A runner covers one lap of a circular track 40.0 m...Ch. 2 - At room temperature, sound travels at a speed of...Ch. 2 - BIO Ouch! Nerve impulses travel at different...Ch. 2 - While riding on a bus traveling down the highway,...Ch. 2 - || A mouse travels along a straight line; its...Ch. 2 - || The freeway blues! When you normally drive the...Ch. 2 - ||Two runners start simultaneously at opposite...Ch. 2 - || A physics professor leaves her house and walks...Ch. 2 - || A test car travels in a straight line along the...Ch. 2 - || Figure 2.50 shows the position x of a crawling...Ch. 2 - || The graph in Figure 2.51 shows the velocity of...Ch. 2 - || DATA A test driver at Incredible Motors, Inc.,...Ch. 2 - (a) The pilot of a jet fighter will black out at...Ch. 2 - || For each graph of velocity as a function of...Ch. 2 - || A little cat, Bella, walks along a straight...Ch. 2 - The driver of a car traveling on the highway...Ch. 2 - BIO Animal motion. Cheetahs, the fastest of the...Ch. 2 - || BIO A cat drops from a shelf 4.0 ft above the...Ch. 2 - || BIO Blackout? A jet fighter pilot wishes to...Ch. 2 - A car is traveling at 60 mi/h down a highway. (a)...Ch. 2 - BIO If a pilot accelerates at more than 4g, he...Ch. 2 - || BIO Air-bag injuries. During an auto accident,...Ch. 2 - Starting from rest, a boulder rolls down a hill...Ch. 2 - Faster than a speeding bullet! The Beretta Model...Ch. 2 - Electric drag racer. An electric drag racer is...Ch. 2 - The reaction time of the average automobile driver...Ch. 2 - According to recent typical test data, a Ford...Ch. 2 - A car sitting at a red light begins to accelerate...Ch. 2 - If the radius of a circle of area A and...Ch. 2 - In the redesign of a machine, a metal cubical part...Ch. 2 - You have two cylindrical tanks. The tank with the...Ch. 2 - Prob. 42PCh. 2 - Two rockets having the same acceleration start...Ch. 2 - The drivers of two cars having equal speeds hit...Ch. 2 - Two bicyclists start a sprint from rest, each...Ch. 2 - (a) If a flea can jump straight up to a height of...Ch. 2 - A brick is released with no initial speed from the...Ch. 2 - Worlds tallest building. Suppose that you drop a...Ch. 2 - A tennis ball on Mars, where the acceleration due...Ch. 2 - Measuring g. One way to measure g on another...Ch. 2 - Thats a lot of hot air! A hot-air balloonist,...Ch. 2 - Astronauts on the moon. Astronauts on our moon...Ch. 2 - A student throws a water balloon vertically...Ch. 2 - A rock is thrown vertically upward with a speed of...Ch. 2 - BIO Physiological effects of large acceleration....Ch. 2 - Two stones are thrown vertically upward from the...Ch. 2 - Two coconuts fall freely from rest at the same...Ch. 2 - A Toyota Prius driving north at 65 mi/h and a VW...Ch. 2 - You are driving eastbound on the interstate at 70...Ch. 2 - A helicopter 8.50 m above the ground and...Ch. 2 - || A jetliner has a cruising air speed of 600 mi/h...Ch. 2 - || At the instant the traffic light turns green,...Ch. 2 - || A state trooper is traveling down the...Ch. 2 - Two rocks are thrown directly upward with the same...Ch. 2 - BIO Prevention of hip fractures. Falls resulting...Ch. 2 - || Egg drop. You are on the roof of the physics...Ch. 2 - || Galileos marbles. Galileo used marbles rolling...Ch. 2 - A large boulder is ejected vertically upward from...Ch. 2 - A car is traveling in the negative x direction at...Ch. 2 - Bio A healthy heart pumping at a rate of 72 beats...Ch. 2 - A car in the northbound lane s sitting at a red...Ch. 2 - A rocket blasts off vertically from rest on the...Ch. 2 - BIO An elite human sorinter reaches his top speed...Ch. 2 - || How high is the cliff? Suppose you are climbing...Ch. 2 - BIO Blood flow in the heart. The human circulatory...Ch. 2 - BIO Blood flow in the heart. The human circulatory...Ch. 2 - BIO Blood flow in the heart. The human circulatory...
Additional Science Textbook Solutions
Find more solutions based on key concepts
24.(I) A light plane must reach a speed of 35 m/s for takeoff. How long a runway is needed if the (constant) ac...
Physics: Principles with Applications
The force produced by arms and upper body.
Physics (5th Edition)
4. Which of the following is not considered a branch of physics?
Thermodynamics
Astronomy
Geophysics
Atomic phy...
Applied Physics (11th Edition)
3. What is free-fall, and why does it make you weightless? Briefly describe why astronauts are weightless in th...
The Cosmic Perspective
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- A boy has a height of 1.83 meters measured from the ground surface. She then lifts a rock and throw it straight upward giving it an upward acceleration coming from rest of 35.0 m/s^2 for 64 cm. The ball was released 2.20 m above the ground. A.)How high above the ground does the rock go? B.) compute the time she must get out of its way before it returns exactly at his heightarrow_forwardA car with an unknown initial velocity accelerates over the course of 6.00 s to a velocity of 30.0 m/s, after which the car continues at a constant velocity for another 4.00 s. Part A Vo = velocity (m/s) 195| ΑΣΦ 30 ? 01 2 3 www velocity vs time ? 4 If the car travels a total distance of 279 m (in the entire 10.00 s interval) what was the initial velocity? 6 5 time (seconds) m/s 7 8 9 10 11arrow_forwardThe acceleration of a particle is given by ax(t) = -2.03 m/s2+ (2.93 m/s2)t I. Find the initial velocity V0x such that the particle will have the same x-coordinate at time t = 3.97 t as it had at t=0. (Express your answer in meters per second.) II. What will be the velocity of time t = 3.97 s? (Express your answer in meters per second.)arrow_forward
- A ball is tossed vertically from the top of a building that is 96 stories tall (approximately 864 ft) with an initial velocity of 30 ft/sec. The initial acceleration is given by a=−32 ft/sec2. 1. Write the velocity equation with t as the variable and v as velocity. 2. Write the displacement equation with t as the variable and s as the displacement. 3. Find the velocity at 2 seconds. ______ ft/s 4. Find the height above the ground at 2 seconds. ______ftarrow_forwardthe figure. 2 For t> 3 s. ✓ Correct! The position as a function of time for a particle moving along the x-axis is shown v(mis) - is the partiele moving in the X ✓ Correct! x(m) 1 0.75 0.5 0.25 A Otheexp The position of the particle as a function of time is given by x(t) = e(t - 3)², where x is in meters and t is in seconds. What is the v the particle, in meters per second, at t = 2.9 s? v(t) = 1arrow_forwardA horse canters away from its trainer in a straight line, moving 44 mm away in 8.5 ss . It then turns abruptly and gallops halfway back in 2.0 ss . Part A Calculate its average speed for the entire trip. Express your answer using two significant figures. Part B Calculate its average velocity for the entire trip, using "away from the trainer" as the positive direction. Express your answer using two significant figures.arrow_forward
- For questions 2 & 3, use the following problem: An object moves on a straight line so that after t seconds its distance in millimeters (mm) from its original position is given by x(t) =1? – 2t. 2. Find the acceleration at t = 3: А. 1 mm/sec? В. 2 mm/sec? C. O mm/sec? D. 4 mm/sec? E. 6 mm/sec? F. None of these. 3. At what time does the object change direction? A. t=1 sec B. t=2 sec C. t= 0.5 sec D. t= 4 sec E. Never F. None of these.arrow_forwardProblem 5: A detailed graph of velocity versus time is shown. 20.0 10.0 0.0 5,0 10.0 15.0 20.0 25.0 t(s) -10.0 Part (a) What is the velocity at time 5.6 s? Part (b) What is the acceleration at time 16.8 s? | Part (c) What is the acceleration at time 21.6? Part (d) What is the displacement during the time interval from 1.6 to 12 s? (s/w)aarrow_forwardQUESTION 15 Velocity vs. Time 一 :B : 15 10 4 6. Time (seconds) > 8. 10 What is the average velocity for the time segment A on the Velocity vs. Time Graph? 5 m/s O 10 m/s 20 m/s 台 |期 樂 . ... I2. .... .. E . .. ... .... ... 5 2 5 Velocity (m/s)arrow_forward
- You shoot an arrow into the air. Two seconds later (2.00 s) the arrow has gone straight upward to a height of 33.0 m above its launch point. ▼ Part A What was the arrow's initial speed? Vo = Submit Part B 15. ΑΣΦ t = Request Answer 5 ΕΠΙ ΑΣΦ V How long did it take for the arrow to first reach a height of 16.5 m above its launch point? MacBook Pro 1 a O **** P Pearson ? ? m/s S Copyright © 2023 Pearson Education Inc. All rights reserved. | Terms of Use | Privacy Policy | Permissions Contact Us |arrow_forward3. 10 5 & 6 DOSAL FKK X AAA 5 X 1 t X 1. Starting point: Xo 2. Position after time t. 3. 3 6 4 The position-time graphs for a car's motion in 6 scenarios are shown above. For each scenario, deduce (label on the graphs) Is the car heading in the positive or the negative direction? Explain. Is the car speeding up, slowing down (decelerating), or moving with constant velocity? Explain 5. On the x-t graphs, identify locations where the rate of change of x with time is large and small.arrow_forwardThis is the vx-tgraph for an object moving along the x-axis. Which of the following descriptions of the motion is most accurate? Vx The object is speeding up at an increasing rate. The object's speed is changing at a steady rate. O The object is slowing down at an increasing rate. The object is slowing down at a decreasing rate. The object is speeding up at a decreasing rate.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- College PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage LearningUniversity Physics (14th Edition)PhysicsISBN:9780133969290Author:Hugh D. Young, Roger A. FreedmanPublisher:PEARSONIntroduction To Quantum MechanicsPhysicsISBN:9781107189638Author:Griffiths, David J., Schroeter, Darrell F.Publisher:Cambridge University Press
- Physics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningLecture- Tutorials for Introductory AstronomyPhysicsISBN:9780321820464Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina BrissendenPublisher:Addison-WesleyCollege Physics: A Strategic Approach (4th Editio...PhysicsISBN:9780134609034Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart FieldPublisher:PEARSON
College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
University Physics (14th Edition)
Physics
ISBN:9780133969290
Author:Hugh D. Young, Roger A. Freedman
Publisher:PEARSON
Introduction To Quantum Mechanics
Physics
ISBN:9781107189638
Author:Griffiths, David J., Schroeter, Darrell F.
Publisher:Cambridge University Press
Physics for Scientists and Engineers
Physics
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Lecture- Tutorials for Introductory Astronomy
Physics
ISBN:9780321820464
Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher:Addison-Wesley
College Physics: A Strategic Approach (4th Editio...
Physics
ISBN:9780134609034
Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher:PEARSON
Position/Velocity/Acceleration Part 1: Definitions; Author: Professor Dave explains;https://www.youtube.com/watch?v=4dCrkp8qgLU;License: Standard YouTube License, CC-BY