College Physics: A Strategic Approach (4th Edition)
4th Edition
ISBN: 9780134609034
Author: Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 1, Problem 69GP
The bacterium Escherichia coli (or E. coli) is a single-celled organism that lives in the gut of healthy humans and animals. When grown in a uniform medium rich in salts and amino acids, it swims along zig-zag paths at a constant speed changing direction at varying time intervals. Figure P1.62 shows the positions of an E. coli as it moves from point A to point J. Each segment of the motion can be identified by two letters, such as segment BC. During which segments, if any, does the bacterium have the same
Figure P1.62
a. Displacement?
b. Speed?
c. Velocity?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Joe takes his dog to the local dog park every morning, too. He walks with his dog
blocks south, 5 blocks west, and 5 blocks north in order to get to the park.
What is his total displacement?
35. A person going for a walk follows the path shown in
T Figure P3.35. The total trip consists of four straight-line
paths. At the end of the walk, what is the person's resultant
displacement measured from the starting point?
Start 100 m
300 m
End
200 m
30.0
150 m
60.0°
Figure P3.35
Concept Simulation 2.3 offers a useful review of the concepts central to this problem. An astronaut on a distant planet wants to
determine its acceleration due to gravity. The astronaut throws a rock straight up with a velocity of +12.9 m/s and measures a time
of 24.8 s before the rock returns to his hand. What is the acceleration (magnitude and direction) due to gravity on this planet?
(positive = up, negative = down)
Number
-48.2
Units
m/s^2
Chapter 1 Solutions
College Physics: A Strategic Approach (4th Edition)
Ch. 1 - A softball player slides into second base. Use the...Ch. 1 - A car travels to the left at a steady speed for a...Ch. 1 - A ball is dropped from the roof of a tall building...Ch. 1 - Prob. 5CQCh. 1 - Give an example of a trip you might take in your...Ch. 1 - Write a sentence or two describing the difference...Ch. 1 - The motion of a skateboard along a horizontal axis...Ch. 1 - You are standing on a straight stretch of road and...Ch. 1 - Two friends watch a jogger complete a 400 m lap...Ch. 1 - A softball player hits the ball and starts running...
Ch. 1 - A child is sledding on a smooth, level patch of...Ch. 1 - A skydiver jumps out of an airplane. Her speed...Ch. 1 - Your roommate drops a tennis ball from a...Ch. 1 - A car is driving north at a steady speed. It makes...Ch. 1 - Prob. 16CQCh. 1 - Prob. 17CQCh. 1 - A student walks 1.0 mi west and then 1.0 mi north....Ch. 1 - You throw a rock upward. The rock is moving...Ch. 1 - Which of the following motions could be described...Ch. 1 - Which of the following motions is described by the...Ch. 1 - A bird flies 3.0 km due west and then 2.0 km due...Ch. 1 - Weddell seals make holes in sea ice so that they...Ch. 1 - A bird flies 3.0 km due west and then 2.0 km due...Ch. 1 - Prob. 25MCQCh. 1 - Compute 3.24 m + 0.532 m to the correct number of...Ch. 1 - Prob. 27MCQCh. 1 - The earth formed 4.57 109 years ago. What is this...Ch. 1 - Prob. 29MCQCh. 1 - A car skids to a halt to avoid hitting an object...Ch. 1 - A man rides a bike along a straight road for 5...Ch. 1 - Prob. 3PCh. 1 - Figure P1.4 shows Sue along the straight-line path...Ch. 1 - Prob. 5PCh. 1 - Prob. 6PCh. 1 - Keira starts at position x = 23 m along a...Ch. 1 - A car travels along a straight east-west road. A...Ch. 1 - Foraging bees often move in straight lines away...Ch. 1 - A security guard walks at a steady pace, traveling...Ch. 1 - List the following items in order of decreasing...Ch. 1 - Prob. 12PCh. 1 - It takes Harry 35 s to walk from x = 12 m to x = ...Ch. 1 - A dog trots from x = 12 m to x = 3 m in 10 s....Ch. 1 - Prob. 15PCh. 1 - Convert the following to SI units: a. 9.12 s b....Ch. 1 - Convert the following to SI units: a. 8.0 in b. 66...Ch. 1 - Convert the following to SI units: a. 1.0 hour b....Ch. 1 - How many significant figures does each of the...Ch. 1 - How many significant figures does each of the...Ch. 1 - Compute the following numbers to three significant...Ch. 1 - lf you make multiple measurements of your height,...Ch. 1 - Prob. 23PCh. 1 - Blades of grass grow from the bottom, so, as...Ch. 1 - Estimate the average speed, in m/s, with which the...Ch. 1 - Loveland, Colorado, is 18 km due south of Fort...Ch. 1 - A city has streets laid out in a square grid, with...Ch. 1 - Joe and Max shake hands and say goodbye. Joe walks...Ch. 1 - Prob. 29PCh. 1 - A butterfly flies from the top of a tree in the...Ch. 1 - A garden has a circular path of radius 50 m. John...Ch. 1 - Prob. 32PCh. 1 - Migrating geese tend to travel at approximately...Ch. 1 - A circular test track for cars in England has a...Ch. 1 - Black vultures excel at gliding flight; they can...Ch. 1 - Prob. 36PCh. 1 - Prob. 37PCh. 1 - A hiker is climbing a steep 10 slope. Her...Ch. 1 - A ball on a porch rolls 60 cm to the porch's edge,...Ch. 1 - A kicker punts a football from the very center of...Ch. 1 - A squirrel completing a short glide travels in a...Ch. 1 - A squirrel in a typical long glide covers a...Ch. 1 - Problems 39 through 45 are motion problems similar...Ch. 1 - Problems 39 through 45 are motion problems similar...Ch. 1 - Prob. 45GPCh. 1 - Problems 39 through 45 are motion problems similar...Ch. 1 - Problems 39 through 45 are motion problems similar...Ch. 1 - Problems 39 through 45 are motion problems similar...Ch. 1 - Problems 39 through 45 are motion problems similar...Ch. 1 - Prob. 50GPCh. 1 - Prob. 51GPCh. 1 - Prob. 52GPCh. 1 - Prob. 53GPCh. 1 - Prob. 54GPCh. 1 - Prob. 55GPCh. 1 - Prob. 56GPCh. 1 - Prob. 57GPCh. 1 - Prob. 58GPCh. 1 - Prob. 59GPCh. 1 - The end of Hubbard Glacier in Alaska advances by...Ch. 1 - The earth completes a circular orbit around the...Ch. 1 - Prob. 62GPCh. 1 - Prob. 63GPCh. 1 - Shannon decides to check the accuracy of her...Ch. 1 - The Nardo ring is a circular test track for cars....Ch. 1 - Motor neurons in mammals transmit signals from the...Ch. 1 - Satellite data taken several times per hour on a...Ch. 1 - The bacterium Escherichia coli (or E. coli) is a...Ch. 1 - The bacterium Escherichia coli (or E. coli) is a...Ch. 1 - The sun is 30 above the horizon. It makes a...Ch. 1 - Weddell seals foraging in open water dive toward...Ch. 1 - Prob. 72GPCh. 1 - Whale sharks swim forward while ascending or...Ch. 1 - Starting from its nest, an eagle flies at constant...Ch. 1 - John walks 1.00 km north, then turns right and...Ch. 1 - The images of trees in Figure P1.68 come from a...Ch. 1 - The images of trees in Figure P1.68 come from a...Ch. 1 - The images of trees in Figure P1.68 come from a...
Additional Science Textbook Solutions
Find more solutions based on key concepts
79. Complete and balance each acid-base reaction.
a.
b.
c.
Introductory Chemistry (6th Edition)
[14.110] The following mechanism has been proposed for the gas-phase reaction of chloroform (CHCI3) and chlorin...
Chemistry: The Central Science (14th Edition)
In what way do the membranes of a eukaryotic cell vary? A. Phospholipids are found only in certain membranes. B...
Campbell Biology in Focus (2nd Edition)
1. In uniform circular motion, which of the following are constant: speed, velocity, angular velocity, centripe...
Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th Edition)
DRAW IT An artificial "cell" consisting of an aqueous solution enclosed in a selectively permeable membrane is ...
Campbell Biology (11th Edition)
Examine the following diagrams of cells from an organism with diploid number 2n = 6, and identify what stage of...
Genetic Analysis: An Integrated Approach (3rd Edition)
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
- Nerve impulses in a human body travel at a speed of about 100 m/s. Suppose a person accidentally steps barefoot on a pebble. About how much time does it take the nerve impulse to travel from the foot to the brain (in s)? Assume the person is 1.60 m tall and the nerve impulse travels at uniform speed.arrow_forwardThe bacterium Escherichia coli (or E. coli) is a single-celled organism that lives in the gut of healthy humans and animals. When grown in a uniform medium rich in salts and amino acids, these bacteria swim along zig-zag paths at a constant speed of 20 μm/s. Figure shows the trajectory of an E. coli as it moves from point A to point E. Each segment of the motion can be identified by two letters, such as segment BC. a. For each of the four segments in the bacterium’s trajectory, calculate the x- and y-components of its displacement and of its velocity.b. Calculate both the total distance traveled and the magnitude of the net displacement for the entire motion.c. What are the magnitude and the direction of the bacterium’s average velocity for the entire trip?arrow_forwardAn insect takes 8.03 minutes to walk 19.9 m toward the south along a deserted highway. A driver stops and picks up the insect. The driver takes the insect to a town 1.62 km to the north with an average speed of 15.6 m/s. What is the magnitude of the average velocity of the insect for its entire journey? Express your answer to 3 significant figures in meters/second.arrow_forward
- Alex goes cruising on his dirt bike. He rides 700 m north, 300 m east, 400 m north, 600 m west, 1200 m south 300 m east and finally 100 m north. What distance did he cover? What was his displacement?arrow_forwardAjetliner, traveling northward, is landing with a speed of 68.2 m/s. Once the jet touches down, it has 750 m of runway in which to reduce its speed to 7.16 m/s. Compute the average acceleration (magnitude and direction) of the plane during landing (take the direction of the plane's motion as positive). Number i Units 4arrow_forwardA thief is trying to escape from a parking garage after completing a robbery, and the thief’s car is speeding (v = 12 m/s) toward the door of the parking garage (Fig. P2.60). When the thief is L = 30 m from the door, a police officer flips a switch to close the garage door. The door starts at a height of 2.0 m and moves downward at 0.20 m/s. If the thief’s car is 1.4 m tall, will the thief escape?arrow_forward
- Why is the following situation possible? Emily challenges her friend David to catch a $1 bill as follows. She holds the bill vertically as shown in figure P2.29 with the center of the bill between but not touching David's index finger and thumb. Without warning, Emily releases the bill. David catches the bill without moving his hands downwards. David reaction time is equal to the average human reaction time. Avg human reaction time is .2s. Dollar bill is approx 15.5cm in length. I need help explaining this. Thank you.arrow_forwardA suspicious-looking man runs as fast as he can along a moving sidewalk from one end to the other, taking 2.50 s.Then security agents appear, and the man runs as fast as he can back along the sidewalk to his starting point, taking 10.0 s.What is the ratio of the man’s running speed to the sidewalk’s speed?arrow_forwardPhysics Question #7 is attached imagearrow_forward
- An elevator in a high-rise building goes up and down at the same speed. Starting at the ground floor, Rafael and Monica ride up five floors. The elevator stops for 10 s as Monica gets off. Rafael then goes back down two floors in 2s. Rafael’s entire trip takes 24 s. Each floor is 20m. For Rafael’s trip, determine the (a) total distance in (m) (b) total displacement in (m) (c) Average speed in (m/s) (d) Average velocity in (m/s)arrow_forwardMyla participated in a running competition. She ran around a circular track with a radius of 1.0 x 102 m. Myla completed the track after 2 minutes. If she had a constant speed, what was Myla’s average speed in the entire run? answer in "m·s", please.arrow_forwardAn object moves in one dimensional motion with constant acceleration a = 4.5 m/s². At time t = 0 s, the object is at xo = 2.9 m and has an initial velocity of vo = 4 m/s. How far will the object move before it achieves a velocity of v = 7 m/s? Your answer should be accurate to the nearest 0.1 m.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
College PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
University Physics (14th Edition)PhysicsISBN:9780133969290Author:Hugh D. Young, Roger A. FreedmanPublisher:PEARSON
Introduction 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 Learning
Lecture- Tutorials for Introductory AstronomyPhysicsISBN:9780321820464Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina BrissendenPublisher:Addison-Wesley
College 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