College Physics: A Strategic Approach (3rd Edition)
3rd Edition
ISBN: 9780321879721
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 15P
Figure P2.1 shows the position graph of a particle.
Figure P2.15
a. Draw the particle's velocity graph for the interval 0 s ≤ t ≤ 4 s.
b. Does this particle have a turning point or points? If so, at what time or times?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
A particle moves in one dimension in such a way that its velocity is given by v(t) = (8 m/s3)t2 - 10 m/s. Its position at t=0 is 0.
a. Find the particle's acceleration at t=5 seconds.
b. What is its position at t=2 seconds?
A particle moves along a horizontal line according to the equation s(t)= t³-6t²+5 where s is in meters and t is in seconds.
a. what is the initial position of the particle?
b. how far is the particle from the origin where t=5s?
c. at what time (s) is the particle at the origin?
A swimmer bounces almost straight up from a diving board and falls vertically feet first into a pool. She starts with a speed of 3.4 m/s and her takeoff point is 1.9 m above the pool's surface.
a. For how long are her feet in the air , in seconds? here is my ans. 0.34?
b. What is the height above the board, in meters, of her highest point?
c. What is her velocity , in meters per second, when her feet hit the water? assume the vertical component is positive upwards.
Chapter 2 Solutions
College Physics: A Strategic Approach (3rd 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 - A car is traveling north. Can its acceleration...Ch. 2 - A ball is thrown straight up into the air. At each...Ch. 2 - A rock is thrown (not dropped) straight down from...Ch. 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 - A car can go from 0 to 60 mph in 7.0 s. Assuming...Ch. 2 - A car can go from 0 to 60 mph in 12 s. A second...Ch. 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 - 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 - A car moves with constant velocity along a...Ch. 2 - While running a marathon, a long-distance runner...Ch. 2 - Figure P2.1 shows the position graph of a...Ch. 2 - A somewhat idealized graph of the speed of the...Ch. 2 - A car starts from Xi = 10 m at ti = 0 s and moves...Ch. 2 - Figure P2.18 shows a graph of actual...Ch. 2 - Figure P2.19 shows the velocity graph of a...Ch. 2 - We set the origin of a coordinate system so that...Ch. 2 - For each motion diagram shown earlier in Figure...Ch. 2 - Figure P2.16 showed data for the speed of blood in...Ch. 2 - Figure P2.23 is a somewhat simplified velocity...Ch. 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 - A car traveling at speed v takes distance d to...Ch. 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 - Figure P2.34 shows a velocity-versus-time graph...Ch. 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 - A light-rail train going from one station to the...Ch. 2 - A car is traveling at a steady 80 km/h in a 50...Ch. 2 - When a jet lands on an aircraft carrier, a hook on...Ch. 2 - A simple model for a person running the 100m dash...Ch. 2 - Ball bearings can be made by letting spherical...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 - 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 - When you sneeze, the air in your lungs accelerates...Ch. 2 - Figure P2.55 shows the motion diagram, made at two...Ch. 2 - Julie drives 100 mi to Grandmother's house. On the...Ch. 2 - The takeoff speed for an Airbus A320 jetliner is...Ch. 2 - Does a real automobile have constant acceleration?...Ch. 2 - People hoping to travel to other worlds are faced...Ch. 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 - A 200 kg weather rocket is loaded with 100 kg of...Ch. 2 - A hotel elevator ascends 200m with a maximum speed...Ch. 2 - A car starts from rest at a stop sign. It...Ch. 2 - A toy train is pushed forward and released at xi =...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
A rectangular block of mass m measures w w L, where L is the longer dimension. Its on a horizontal surface, r...
Essential University Physics: Volume 1 (3rd Edition)
A 20-A current flows through a solenoid with 2000 turns per meter. What is the magnetic field inside the soleno...
University Physics Volume 2
The largest lightning strikes have peak currents of around 250 kA, flowing in essentially cylindrical channels ...
Essential University Physics: Volume 2 (3rd Edition)
The advantages and disadvantages of the energy sources.
Glencoe Physical Science 2012 Student Edition (Glencoe Science) (McGraw-Hill Education)
An object that has a small mass and an object that has a large mass have the same kinetic energy. Which mass ha...
University Physics Volume 1
For a solid, we also define the linear thermal expansion coefficient, a, as the fractional increase in length p...
An Introduction to Thermal Physics
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 cyclist rides 8.0 km east for 20 minutes, then he turns and heads west for 8 minutes and 3.2 km. Finally, he rides east for 16 km, which takes 40 minutes. (a) What is the final displacement of the cyclist? (b) What is his average velocity?arrow_forwardShown is a velocity-versus-time graph for a particle moving along the x-axis. At t = 0 s, assume that x = 0 m.a. What are the particle’s position, velocity, and acceleration at t = 1.0 s?b. What are the particle’s position, velocity, and acceleration at t = 3.0 s?arrow_forward
- The following is a graph a particle's position vs. time. a. What is the particle's position at t = 3.00s ? x(t), E 4 b. What was the particle's instantaneous velocity at t = 3.00s ? t time(s) 4 c. What was the particle's average velocity between t = Os and t = 4.00s ? d. What was the instantaneous acceleration at t =3.00s ? position(m)arrow_forwardAn object moves along the x axis with an acceleration of –6 m/s2 . At an earlier time, the position is 5m and the velocity is 10 m/s. At the later time t = 7 s, the position is –15 m. a.What was the first time? b.What is the velocity at t = 7 s?arrow_forwardA person walks 50m [up] a flight of stairs in 1.0 min, then sits and waits at the edge of drop for 125s while being hooked up to a bungee cord. They jump off, fall 55m in 5.0s, then stops, bouncing back 10m and comes to a rest. a. Determine the total distance and displacement covered by the motion b. After jumping off, what is the person's downward velocity at 4.0s? c. Draw a representative position vs time graph for the motion described above and the corresponding V vs T graph. Describe the motion for each part of the position-time grapharrow_forward
- An egg is thrown nearly vertically upward from a point near the cornice of a tall building. It just misses the cornice on the way down and passes a point 50.0 meter below its starting point 5.00 second after it leaves the thrower's hand. Air resistance may be ignored. (Hint: the 50.0 meter is the final displacement and since it is downward it takes a negative sign)A. What is the initial speed of the egg?B. How high does it rise above its starting point?C. What is the magnitude of its velocity at the highest point? Why?arrow_forwardThe position (in meters) of an object is given as a function of time by the equation: x(t) = 2t^3 - 3t^2 +t-6 a.What is the initial position of the object (that is, at t=0) and What is the position after 3 seconds? b.What is the average velocity of this object over the first 3 seconds? and Write an equation for the instantaneous velocity of this object c.What is the initial velocity of this object (that is, at t=0) and What is the velocity of this object at 3 seconds? Also find the average acceleration for this object over the first three seconds? Please answer it completetely.arrow_forwardAn egg is thrown nearly vertically upward from a point near the cornice of a tall building. It just misses the cornice on the way down and passes a point a distance 50.0 m below its starting point at a time 5.00 s after it leaves the thrower's hand. Air resistance may be ignored. a. What is the initial speed of the egg, and how high does it rise above its starting point? b. What is the magnitude of its velocity at the highest point? c.arrow_forward
- Problem1.. (Free fall) The position function of the object is given by s(t) = s + vt - 1/2gt², where: s is the initial position in meters from the ground level, 0 v is the initial velocity, 0 Use g ≈ 9.8 m/s², t is the time measured in seconds after the object is being dropped. Find the velocity of an object that is released with 0 initial velocity from a height of 300 m at the moment it hits the ground. Round your answer to the nearest hundredth m/s. Problem2. Find the instantaneous rate of change. 1. Find the rate of change of the area of a square with respect to its side s when s = 5. 2. Find the rate of change of the diameter of a circle with respect to radius.arrow_forwarda. Find the velocity v(t) and acceleration a(t). b. At what value of t does v=0? c. What is the maximum height?arrow_forwardA movie stunt is designed such that the stuntman is to run across and directly off a rooftop onto the roof of the next building, which is 3.6 m below and 5.9 m away from the building the stuntman runs on. a. How long does it take for the stuntman to fall to the same height as the roof of the shorter building? b. Can the stuntman successfully make the jump if he runs at 4.8 m/s?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Physics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage LearningPrinciples of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningUniversity Physics Volume 1PhysicsISBN:9781938168277Author:William Moebs, Samuel J. Ling, Jeff SannyPublisher:OpenStax - Rice University
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
University Physics Volume 1
Physics
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:OpenStax - Rice University
Position/Velocity/Acceleration Part 1: Definitions; Author: Professor Dave explains;https://www.youtube.com/watch?v=4dCrkp8qgLU;License: Standard YouTube License, CC-BY