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
Textbook Question
Chapter 2, Problem 3CQ
Figure Q2.3 shows growth rings in the trunk of a pine tree. You can clearly see the wide and the narrow rings that correspond to years of fast and slow growth. You can think of these rings as a motion diagram for the growth of the tree. If we define an axis as shown, with x measured out from the center of the tree, use the appearance of the rings to sketch a velocity-versus-time graph for the radial growth of the tree.
Figure Q2.3
Expert Solution & Answer
Learn your wayIncludes step-by-step video
schedule02:16
Students have asked these similar questions
At time t0=0.0s, a car, starting from rest, moves south. It continues moving south, and by time tf =121s, it has covered a distance of d=6689m. Take north as the positive x direction, as indicated in the figure.
Part A: What is the car's average speed, in meters per second, during this period?
Part B: What is the car's displacement, in meters, during this period?
Part C: What is the car's average velocity, in meters per second, during this period?
Part D: A different car, after starting from rest at t0 =0.0s, travels for the same period, tf =121s, attaining a final velocity of vf =−30.0m/s. What is this car's average acceleration, in meters per squared seconds, during the period described?
A body moves in a straight line according to this equation of motion: s(t) = 10+2
4t + 8, where t is measured in seconds and s in meters.
a. What is its position at the end of 5 sec?
b. What is the equation for its velocity v at any time t?
c. What is its velocity v at the end of 5 seconds?
d. What is the equation for its acceleration a at any time t?
e. What is its acceleration at the end of 5 seconds?
Given the position-time graph below,
1. what is the average velocity between p4 and p5?
A. 100 m/s
B. -100m/s
C. 300 m/s
D. -300m/s
2. What is the instantaneous acceleration at t=5s?
A. 0m/s^2
B. 9.8 m/s^2
C. -9.8 m/s^2
D. Cannot be determined
3. What is the average velocity between p2 and p4
A.500m/s
B. -50m/s
C. 100m/s
D. -100m/s
Chapter 2 Solutions
College Physics: A Strategic Approach (4th Edition)
Ch. 2 - A person gets in an elevator on the ground floor...Ch. 2 - a. Give an example of a vertical motion with a...Ch. 2 - Figure Q2.3 shows growth rings in the trunk of a...Ch. 2 - Sketch a velocity-versus-time graph for a rock...Ch. 2 - You are driving down the road at a constant speed....Ch. 2 - Prob. 6CQCh. 2 - Prob. 7CQCh. 2 - A ball is thrown straight up into the air. At each...Ch. 2 - Prob. 9CQCh. 2 - Figure Q2.10 shows an object's...
Ch. 2 - Figure Q2.11 shows the position graph for an...Ch. 2 - Figure Q2.12 shows the position-versus-time graphs...Ch. 2 - Figure Q2.13 shows a position-versus-time graph....Ch. 2 - Figure Q2.14 is the velocity-versus-time graph for...Ch. 2 - Figure Q2.15 shows the position graph of a car...Ch. 2 - Figure Q2.16 shows the position graph of a car...Ch. 2 - Figure Q2.17 shows an object's...Ch. 2 - The following options describe the motion of four...Ch. 2 - A car is traveling at Vx = 20 m/s. The driver...Ch. 2 - Velocity-versus-time graphs for three drag racers...Ch. 2 - Which of the three drag racers in Question 20 had...Ch. 2 - Chris is holding two softballs while standing on a...Ch. 2 - Suppose a plane accelerates from rest for 30 s,...Ch. 2 - Figure Q2.24 shows a motion diagram with the clock...Ch. 2 - Prob. 25MCQCh. 2 - Prob. 26MCQCh. 2 - Prob. 27MCQCh. 2 - Prob. 28MCQCh. 2 - Figure P2.1 shows a motion diagram of a car...Ch. 2 - For each motion diagram in Figure P2.2, determine...Ch. 2 - The position graph of Figure P2.3 shows a dog...Ch. 2 - A rural mail carrier is driving slowly, putting...Ch. 2 - For the velocity-versus-time graph of Figure P2.5:...Ch. 2 - Prob. 7PCh. 2 - A bicyclist has the position-versus-time graph...Ch. 2 - In major league baseball, the pitcher's mound is...Ch. 2 - In college softball, the distance from the...Ch. 2 - Alan leaves Los Angeles at 8:00am to drive to San...Ch. 2 - Richard is driving home to visit his parents. 125...Ch. 2 - In a 5.00 km race, one runner runs at a steady...Ch. 2 - In an 8.00 km race, one runner runs at a steady...Ch. 2 - Prob. 15PCh. 2 - While running a marathon, a long-distance runner...Ch. 2 - Prob. 17PCh. 2 - Prob. 18PCh. 2 - Prob. 19PCh. 2 - Prob. 20PCh. 2 - Prob. 21PCh. 2 - Prob. 22PCh. 2 - Prob. 23PCh. 2 - Prob. 24PCh. 2 - Prob. 25PCh. 2 - Small frogs that are good jumpers are capable of...Ch. 2 - A Thomson's gazelle can reach a speed of 13 m/s in...Ch. 2 - When striking, the pike, a predatory fish, can...Ch. 2 - a. What constant acceleration, in SI units, must a...Ch. 2 - When jumping, a flea rapidly extends its legs,...Ch. 2 - Prob. 31PCh. 2 - Light-rail passenger trains that provide...Ch. 2 - A cross-country skier is skiing along at a zippy...Ch. 2 - A small propeller airplane can comfortably achieve...Ch. 2 - Formula One racers speed up much more quickly than...Ch. 2 - Prob. 36PCh. 2 - A driver has a reaction time of 0.50 s, and the...Ch. 2 - Chameleons catch insects with their tongues, which...Ch. 2 - You're driving down the highway late one night at...Ch. 2 - Prob. 40PCh. 2 - A car is traveling at a steady 80 km/h in a 50...Ch. 2 - Prob. 42PCh. 2 - A simple model for a person running the 100m dash...Ch. 2 - Here's an interesting challenge you can give to a...Ch. 2 - In the preceding problem we saw that a person's...Ch. 2 - A gannet is a seabird that fishes by diving from a...Ch. 2 - Prob. 48PCh. 2 - Prob. 49PCh. 2 - A student at the top of a building of height h...Ch. 2 - Excellent human jumpers can leap straight up to a...Ch. 2 - A football is kicked straight up into the air; it...Ch. 2 - In an action movie, the villain is rescued from...Ch. 2 - Spud Webb was, at 5 ft 8 in, one of the shortest...Ch. 2 - A rock climber stands on top of a 50-m-high cliff...Ch. 2 - Actual velocity data for a lion pursuing prey are...Ch. 2 - A truck driver has a shipment of apples to deliver...Ch. 2 - Prob. 58GPCh. 2 - Prob. 60GPCh. 2 - The takeoff speed for an Airbus A320 jetliner is...Ch. 2 - Does a real automobile have constant acceleration?...Ch. 2 - Prob. 63GPCh. 2 - You are driving to the grocery store at 20 m/s....Ch. 2 - When you blink your eye, the upper lid goes from...Ch. 2 - A bush baby, an African primate, is capable of a...Ch. 2 - When jumping, a flea reaches a takeoff speed of...Ch. 2 - Certain insects can achieve seemingly impossible...Ch. 2 - A student standing on the ground throws a ball...Ch. 2 - A rock is tossed straight up with a speed of 20...Ch. 2 - Prob. 72GPCh. 2 - A car starts from rest at a stop sign. It...Ch. 2 - Heather and Jerry are standing on a bridge 50 m...Ch. 2 - A Thomson's gazelle can run at very high speeds,...Ch. 2 - We've seen that a man's higher initial...Ch. 2 - A pole-vaulter is nearly motionless as he clears...Ch. 2 - A Porsche challenges a Honda to a 400 m race....Ch. 2 - The minimum stopping distance for a car traveling...Ch. 2 - A rocket is launched straight up with constant...Ch. 2 - Free Fall on Different Worlds Objects in free fall...Ch. 2 - Free Fall on Different Worlds Objects in free fall...Ch. 2 - Free Fall on Different Worlds Objects in free fall...
Additional Science Textbook Solutions
Find more solutions based on key concepts
You exert a force on the ball when you toss it upward. How long does that force lasts after the ball leaves you...
Conceptual Integrated Science
Draw in a few equipotential lines in Fig, 21–34b and c.
Physics for Scientists and Engineers with Modern Physics
41. A hollow metal sphere has 6 cm and 10 cm inner and outer radii, respectively. The surface charge density on...
Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)
A soccer player extends her lower leg in a kicking motion by exerting a force with the muscle above the knee in...
College Physics
Write the abbreviation for each quantity.
24. 15 decilitres
Applied Physics (11th 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
- An object is at x = 0 at t = 0 and moves along the x axis according to the velocitytime graph in Figure P2.40. (a) What is the objects acceleration between 0 and 4.0 s? (b) What is the objects acceleration between 4.0 s and 9.0 s? (c) What is the objects acceleration between 13.0 s and 18.0 s? (d) At what time(s) is the object moving with the lowest speed? (e) At what time is the object farthest from x = 0? (f) What is the final position x of the object at t = 18.0 s? (g) Through what total distance has the object moved between t = 0 and t = 18.0 s? Figure P2.40arrow_forwardA student drives a moped along a straight road as described by the velocitytime graph in Figure P2.32. Sketch this graph in the middle of a sheet of graph paper. (a) Directly above your graph, sketch a graph of the position versus time, aligning the time coordinates of the two graphs. (b) Sketch a graph of the acceleration versus time directly below the velocitytime graph, again aligning the time coordinates. On each graph, show the numerical values of x and ax for all points of inflection. (c) What is the acceleration at t = 6.00 s? (d) Find the position (relative to the starting point) at t = 6.00 s. (e) What is the mopeds final position at t = 9.00 s? Figure P2.32arrow_forwardThe Acela is an electric train on the Washington-New YorkBoston run, carrying passengers at 170 mi/h. A velocity-time graph for the Acela is shown in Figure P2.69. (a) Describe the train's motion in each successive lime interval, (b) Find the trains peak positive acceleration in the motion graphed, (c) Find the trains displacement in miles between t = 0 and t = 200 s.arrow_forward
- Figure (01) shows a red car and a green car moving towards each other. Figure (02) is a graph of its motion, showing positions xg0 = 270 m and xr0 = -3 m with no time t = 0. The red car has a constant velocity of 20 m/s and the green car begins from rest . a) What is the magnitude of the green car's acceleration? b) At what position do the cars intersect with respect to the origin of x = 0 (Figura 02)arrow_forwardA cat walks in a straight line, which we shall call the x-axis with the positive direction to the right. As an observant physicist, you make measurement of this cat's motion and construct a graph of the feline's velocity as a function of time. What distance (in cm) does the cat move from t=0 to t=7.5s?arrow_forwardA polar bear starts at the North Pole. It travels 1.0 km south, then 1.0 km east, and then returns to its starting point. This trip takes 0.75 hr. a) What was the bear's average speed? b) What was the bear's average velocity?arrow_forward
- A bus moves along an x-axis a distance of 800 m, starting at rest (at x = 0) and ending at rest (at x = 800 m). Through the first 2 of that distance, its acceleration is +2.15 m/s?. Through the rest of the distance, its acceleration is -0.92 m/s?. Calculate a) time taken to cover the first half of the distance? b) the bus's maximum speed? c) total time to cover 800 m distance? Sketch velocity time graphs.arrow_forwardA race car moves such that it's position fits the relationship x=(6.0m/s)t +(0.60 m/s^3)t^3 where x is measured in meters and t in seconds. (a) A plot of the car's position versus time is which of the following? (b) Determine the instantaneous velocity of the car at t=3.0s, using time intervals of 0.40s, 0.20s, and 0.10s.arrow_forwardIn 1967, New Zealander Burt Munro set the world record for an Indian motorcycle, on the Bonneville Salt Flats in Utah, with a maximum speed of 183.58 mi/h. The one‐way course was 5.00 mi long. Acceleration rates are often described by the time it takes to reach 60.0 mi/h from rest. If this time was 4.00 s, and Burt accelerated at this rate until he reached his maximum speed, a. how long did it take Burt to complete the course? b. Sketch position vs time, velocity vs. time, and acceleration vs. time graphs for the race.arrow_forward
- The bush baby, a small African mammal, is a remarkable jumper. Although only about 8 inches long, it can jump, from am standing start, straight up to a height of over 7 feet! Use the particle model to draw a motion diagram for a bush baby’s jump, from its start until it reaches its highest point.arrow_forwardA stone is thrown upward with a speed of 18 m/s from a height of 18 m. (acceleration due to gravity: 10 m/s2) a) What is the speed (in m/s) of the stone just before it hits the ground? b) How long does it take (in seconds) for the stone to hit the ground?arrow_forwardFigure (a) shows a red car and a green car that move toward each other. Figure (b) is a graph of their motion, showing the positions xg0 = 275 m and xr0 = -35 m at time t = 0. The green car has a constant speed of 16 m/s and the red car begins from rest. What is the acceleration magnitude of the red car?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Physics for Scientists and Engineers with Modern ...PhysicsISBN:9781337553292Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningPhysics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningPhysics for Scientists and Engineers, Technology ...PhysicsISBN:9781305116399Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
- Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningPhysics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
Physics for Scientists and Engineers with Modern ...
Physics
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Physics for Scientists and Engineers
Physics
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Physics for Scientists and Engineers, Technology ...
Physics
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
Position/Velocity/Acceleration Part 1: Definitions; Author: Professor Dave explains;https://www.youtube.com/watch?v=4dCrkp8qgLU;License: Standard YouTube License, CC-BY